diff --git a/packages/core/src/lib/filter/index.ts b/packages/core/src/lib/filter/index.ts
index 5507f94509..2782eb82ec 100644
--- a/packages/core/src/lib/filter/index.ts
+++ b/packages/core/src/lib/filter/index.ts
@@ -34,6 +34,7 @@ export type RequestID = string;
 type Subscription<T extends IDecodedMessage> = {
   decoders: IDecoder<T>[];
   callback: Callback<T>;
+  pubSubTopic: string;
 };
 
 /**
@@ -108,7 +109,8 @@ class Filter extends BaseProtocol implements IFilter {
       throw e;
     }
 
-    this.subscriptions.set(requestId, { callback, decoders });
+    const subscription: Subscription<T> = { callback, decoders, pubSubTopic };
+    this.subscriptions.set(requestId, subscription);
 
     return async () => {
       await this.unsubscribe(pubSubTopic, contentFilters, requestId, peer);
@@ -150,7 +152,7 @@ class Filter extends BaseProtocol implements IFilter {
       log(`No subscription locally registered for request ID ${requestId}`);
       return;
     }
-    const { decoders, callback } = subscription;
+    const { decoders, callback, pubSubTopic } = subscription;
 
     if (!decoders || !decoders.length) {
       log(`No decoder registered for request ID ${requestId}`);
@@ -170,7 +172,10 @@ class Filter extends BaseProtocol implements IFilter {
       // noinspection ES6MissingAwait
       decoders.forEach(async (dec: IDecoder<T>) => {
         if (didDecodeMsg) return;
-        const decoded = await dec.fromProtoObj(toProtoMessage(protoMessage));
+        const decoded = await dec.fromProtoObj(
+          pubSubTopic,
+          toProtoMessage(protoMessage)
+        );
         if (!decoded) {
           log("Not able to decode message");
           return;
diff --git a/packages/core/src/lib/message/topic_only_message.ts b/packages/core/src/lib/message/topic_only_message.ts
index e4f77e6696..6bf90b3db4 100644
--- a/packages/core/src/lib/message/topic_only_message.ts
+++ b/packages/core/src/lib/message/topic_only_message.ts
@@ -14,7 +14,10 @@ export class TopicOnlyMessage implements IDecodedMessage {
   public timestamp: undefined;
   public ephemeral: undefined;
 
-  constructor(private proto: ProtoTopicOnlyMessage) {}
+  constructor(
+    public pubSubTopic: string,
+    private proto: ProtoTopicOnlyMessage
+  ) {}
 
   get contentTopic(): string {
     return this.proto.contentTopic;
@@ -38,8 +41,9 @@ export class TopicOnlyDecoder implements IDecoder<TopicOnlyMessage> {
   }
 
   async fromProtoObj(
+    pubSubTopic: string,
     proto: IProtoMessage
   ): Promise<TopicOnlyMessage | undefined> {
-    return new TopicOnlyMessage(proto);
+    return new TopicOnlyMessage(pubSubTopic, proto);
   }
 }
diff --git a/packages/core/src/lib/message/version_0.spec.ts b/packages/core/src/lib/message/version_0.spec.ts
index 32e0aa3970..a71fc84f21 100644
--- a/packages/core/src/lib/message/version_0.spec.ts
+++ b/packages/core/src/lib/message/version_0.spec.ts
@@ -4,6 +4,7 @@ import fc from "fast-check";
 import { createDecoder, createEncoder, DecodedMessage } from "./version_0.js";
 
 const TestContentTopic = "/test/1/waku-message/utf8";
+const TestPubSubTopic = "/test/pubsub/topic";
 
 describe("Waku Message version 0", function () {
   it("Round trip binary serialization", async function () {
@@ -16,10 +17,12 @@ describe("Waku Message version 0", function () {
         const decoder = createDecoder(TestContentTopic);
         const protoResult = await decoder.fromWireToProtoObj(bytes);
         const result = (await decoder.fromProtoObj(
+          TestPubSubTopic,
           protoResult!
         )) as DecodedMessage;
 
         expect(result.contentTopic).to.eq(TestContentTopic);
+        expect(result.pubSubTopic).to.eq(TestPubSubTopic);
         expect(result.version).to.eq(0);
         expect(result.ephemeral).to.be.false;
         expect(result.payload).to.deep.eq(payload);
@@ -39,14 +42,11 @@ describe("Waku Message version 0", function () {
         const decoder = createDecoder(TestContentTopic);
         const protoResult = await decoder.fromWireToProtoObj(bytes);
         const result = (await decoder.fromProtoObj(
+          TestPubSubTopic,
           protoResult!
         )) as DecodedMessage;
 
-        expect(result.contentTopic).to.eq(TestContentTopic);
-        expect(result.version).to.eq(0);
         expect(result.ephemeral).to.be.true;
-        expect(result.payload).to.deep.eq(payload);
-        expect(result.timestamp).to.not.be.undefined;
       })
     );
   });
diff --git a/packages/core/src/lib/message/version_0.ts b/packages/core/src/lib/message/version_0.ts
index 00287359ed..38bd22fa26 100644
--- a/packages/core/src/lib/message/version_0.ts
+++ b/packages/core/src/lib/message/version_0.ts
@@ -17,7 +17,7 @@ export const Version = 0;
 export { proto };
 
 export class DecodedMessage implements IDecodedMessage {
-  constructor(protected proto: proto.WakuMessage) {}
+  constructor(public pubSubTopic: string, protected proto: proto.WakuMessage) {}
 
   get ephemeral(): boolean {
     return Boolean(this.proto.ephemeral);
@@ -115,6 +115,7 @@ export class Decoder implements IDecoder<DecodedMessage> {
   }
 
   async fromProtoObj(
+    pubSubTopic: string,
     proto: IProtoMessage
   ): Promise<DecodedMessage | undefined> {
     // https://rfc.vac.dev/spec/14/
@@ -129,7 +130,7 @@ export class Decoder implements IDecoder<DecodedMessage> {
       return Promise.resolve(undefined);
     }
 
-    return new DecodedMessage(proto);
+    return new DecodedMessage(pubSubTopic, proto);
   }
 }
 
diff --git a/packages/core/src/lib/relay/index.ts b/packages/core/src/lib/relay/index.ts
index 5878509327..b588a79bb5 100644
--- a/packages/core/src/lib/relay/index.ts
+++ b/packages/core/src/lib/relay/index.ts
@@ -122,6 +122,7 @@ class Relay extends GossipSub implements IRelay {
   }
 
   private async processIncomingMessage<T extends IDecodedMessage>(
+    pubSubTopic: string,
     bytes: Uint8Array
   ): Promise<void> {
     const topicOnlyMsg = await this.defaultDecoder.fromWireToProtoObj(bytes);
@@ -143,7 +144,7 @@ class Relay extends GossipSub implements IRelay {
           log("Internal error: message previously decoded failed on 2nd pass.");
           return;
         }
-        const msg = await decoder.fromProtoObj(protoMsg);
+        const msg = await decoder.fromProtoObj(pubSubTopic, protoMsg);
         if (msg) {
           callback(msg);
         } else {
@@ -165,9 +166,10 @@ class Relay extends GossipSub implements IRelay {
         if (event.detail.msg.topic !== pubSubTopic) return;
         log(`Message received on ${pubSubTopic}`);
 
-        this.processIncomingMessage(event.detail.msg.data).catch((e) =>
-          log("Failed to process incoming message", e)
-        );
+        this.processIncomingMessage(
+          event.detail.msg.topic,
+          event.detail.msg.data
+        ).catch((e) => log("Failed to process incoming message", e));
       }
     );
 
diff --git a/packages/core/src/lib/store/index.ts b/packages/core/src/lib/store/index.ts
index a1e6007e62..e50190d1ef 100644
--- a/packages/core/src/lib/store/index.ts
+++ b/packages/core/src/lib/store/index.ts
@@ -311,7 +311,10 @@ async function* paginate<T extends IDecodedMessage>(
       if (typeof contentTopic !== "undefined") {
         const decoder = decoders.get(contentTopic);
         if (decoder) {
-          return decoder.fromProtoObj(toProtoMessage(protoMsg));
+          return decoder.fromProtoObj(
+            queryOpts.pubSubTopic,
+            toProtoMessage(protoMsg)
+          );
         }
       }
       return Promise.resolve(undefined);
diff --git a/packages/interfaces/src/message.ts b/packages/interfaces/src/message.ts
index 45dd5a571c..d2e52f04f0 100644
--- a/packages/interfaces/src/message.ts
+++ b/packages/interfaces/src/message.ts
@@ -50,6 +50,7 @@ export interface IEncoder {
 export interface IDecodedMessage {
   payload: Uint8Array;
   contentTopic: string;
+  pubSubTopic: string;
   timestamp: Date | undefined;
   rateLimitProof: IRateLimitProof | undefined;
   ephemeral: boolean | undefined;
@@ -58,5 +59,8 @@ export interface IDecodedMessage {
 export interface IDecoder<T extends IDecodedMessage> {
   contentTopic: string;
   fromWireToProtoObj: (bytes: Uint8Array) => Promise<IProtoMessage | undefined>;
-  fromProtoObj: (proto: IProtoMessage) => Promise<T | undefined>;
+  fromProtoObj: (
+    pubSubTopic: string,
+    proto: IProtoMessage
+  ) => Promise<T | undefined>;
 }
diff --git a/packages/message-encryption/src/decoded_message.ts b/packages/message-encryption/src/decoded_message.ts
index 6963d2fc8f..72e1626419 100644
--- a/packages/message-encryption/src/decoded_message.ts
+++ b/packages/message-encryption/src/decoded_message.ts
@@ -11,12 +11,13 @@ export class DecodedMessage
   private readonly _decodedPayload: Uint8Array;
 
   constructor(
+    pubSubTopic: string,
     proto: proto.WakuMessage,
     decodedPayload: Uint8Array,
     public signature?: Uint8Array,
     public signaturePublicKey?: Uint8Array
   ) {
-    super(proto);
+    super(pubSubTopic, proto);
     this._decodedPayload = decodedPayload;
   }
 
diff --git a/packages/message-encryption/src/ecies.spec.ts b/packages/message-encryption/src/ecies.spec.ts
index cab9b9dc2e..fb2f969d99 100644
--- a/packages/message-encryption/src/ecies.spec.ts
+++ b/packages/message-encryption/src/ecies.spec.ts
@@ -5,6 +5,7 @@ import { getPublicKey } from "./crypto/index.js";
 import { createDecoder, createEncoder } from "./ecies.js";
 
 const TestContentTopic = "/test/1/waku-message/utf8";
+const TestPubSubTopic = "/test/pubsub/topic";
 
 describe("Ecies Encryption", function () {
   it("Round trip binary encryption [ecies, no signature]", async function () {
@@ -24,10 +25,14 @@ describe("Ecies Encryption", function () {
           const decoder = createDecoder(TestContentTopic, privateKey);
           const protoResult = await decoder.fromWireToProtoObj(bytes!);
           if (!protoResult) throw "Failed to proto decode";
-          const result = await decoder.fromProtoObj(protoResult);
+          const result = await decoder.fromProtoObj(
+            TestPubSubTopic,
+            protoResult
+          );
           if (!result) throw "Failed to decode";
 
           expect(result.contentTopic).to.equal(TestContentTopic);
+          expect(result.pubSubTopic).to.equal(TestPubSubTopic);
           expect(result.version).to.equal(1);
           expect(result?.payload).to.deep.equal(payload);
           expect(result.signature).to.be.undefined;
@@ -59,10 +64,14 @@ describe("Ecies Encryption", function () {
           const decoder = createDecoder(TestContentTopic, bobPrivateKey);
           const protoResult = await decoder.fromWireToProtoObj(bytes!);
           if (!protoResult) throw "Failed to proto decode";
-          const result = await decoder.fromProtoObj(protoResult);
+          const result = await decoder.fromProtoObj(
+            TestPubSubTopic,
+            protoResult
+          );
           if (!result) throw "Failed to decode";
 
           expect(result.contentTopic).to.equal(TestContentTopic);
+          expect(result.pubSubTopic).to.equal(TestPubSubTopic);
           expect(result.version).to.equal(1);
           expect(result?.payload).to.deep.equal(payload);
           expect(result.signature).to.not.be.undefined;
diff --git a/packages/message-encryption/src/ecies.ts b/packages/message-encryption/src/ecies.ts
index e4a5f315fb..c991db9c69 100644
--- a/packages/message-encryption/src/ecies.ts
+++ b/packages/message-encryption/src/ecies.ts
@@ -95,6 +95,7 @@ class Decoder extends DecoderV0 implements IDecoder<DecodedMessage> {
   }
 
   async fromProtoObj(
+    pubSubTopic: string,
     protoMessage: IProtoMessage
   ): Promise<DecodedMessage | undefined> {
     const cipherPayload = protoMessage.payload;
@@ -135,6 +136,7 @@ class Decoder extends DecoderV0 implements IDecoder<DecodedMessage> {
 
     log("Message decrypted", protoMessage);
     return new DecodedMessage(
+      pubSubTopic,
       protoMessage,
       res.payload,
       res.sig?.signature,
diff --git a/packages/message-encryption/src/symmetric.spec.ts b/packages/message-encryption/src/symmetric.spec.ts
index a12d68159b..477848477f 100644
--- a/packages/message-encryption/src/symmetric.spec.ts
+++ b/packages/message-encryption/src/symmetric.spec.ts
@@ -5,6 +5,7 @@ import { getPublicKey } from "./crypto/index.js";
 import { createDecoder, createEncoder } from "./symmetric.js";
 
 const TestContentTopic = "/test/1/waku-message/utf8";
+const TestPubSubTopic = "/test/pubsub/topic";
 
 describe("Symmetric Encryption", function () {
   it("Round trip binary encryption [symmetric, no signature]", async function () {
@@ -22,10 +23,14 @@ describe("Symmetric Encryption", function () {
           const decoder = createDecoder(TestContentTopic, symKey);
           const protoResult = await decoder.fromWireToProtoObj(bytes!);
           if (!protoResult) throw "Failed to proto decode";
-          const result = await decoder.fromProtoObj(protoResult);
+          const result = await decoder.fromProtoObj(
+            TestPubSubTopic,
+            protoResult
+          );
           if (!result) throw "Failed to decode";
 
           expect(result.contentTopic).to.equal(TestContentTopic);
+          expect(result.pubSubTopic).to.equal(TestPubSubTopic);
           expect(result.version).to.equal(1);
           expect(result?.payload).to.deep.equal(payload);
           expect(result.signature).to.be.undefined;
@@ -54,10 +59,14 @@ describe("Symmetric Encryption", function () {
           const decoder = createDecoder(TestContentTopic, symKey);
           const protoResult = await decoder.fromWireToProtoObj(bytes!);
           if (!protoResult) throw "Failed to proto decode";
-          const result = await decoder.fromProtoObj(protoResult);
+          const result = await decoder.fromProtoObj(
+            TestPubSubTopic,
+            protoResult
+          );
           if (!result) throw "Failed to decode";
 
           expect(result.contentTopic).to.equal(TestContentTopic);
+          expect(result.pubSubTopic).to.equal(TestPubSubTopic);
           expect(result.version).to.equal(1);
           expect(result?.payload).to.deep.equal(payload);
           expect(result.signature).to.not.be.undefined;
diff --git a/packages/message-encryption/src/symmetric.ts b/packages/message-encryption/src/symmetric.ts
index 50a5a8212c..6e18301b7f 100644
--- a/packages/message-encryption/src/symmetric.ts
+++ b/packages/message-encryption/src/symmetric.ts
@@ -90,6 +90,7 @@ class Decoder extends DecoderV0 implements IDecoder<DecodedMessage> {
   }
 
   async fromProtoObj(
+    pubSubTopic: string,
     protoMessage: IProtoMessage
   ): Promise<DecodedMessage | undefined> {
     const cipherPayload = protoMessage.payload;
@@ -130,6 +131,7 @@ class Decoder extends DecoderV0 implements IDecoder<DecodedMessage> {
 
     log("Message decrypted", protoMessage);
     return new DecodedMessage(
+      pubSubTopic,
       protoMessage,
       res.payload,
       res.sig?.signature,
diff --git a/packages/tests/tests/filter.node.spec.ts b/packages/tests/tests/filter.node.spec.ts
index b958d13433..dde262ac0c 100644
--- a/packages/tests/tests/filter.node.spec.ts
+++ b/packages/tests/tests/filter.node.spec.ts
@@ -2,6 +2,7 @@ import {
   createDecoder,
   createEncoder,
   DecodedMessage,
+  DefaultPubSubTopic,
   waitForRemotePeer,
 } from "@waku/core";
 import { createLightNode } from "@waku/create";
@@ -52,6 +53,7 @@ describe("Waku Filter", () => {
       log("Got a message");
       messageCount++;
       expect(msg.contentTopic).to.eq(TestContentTopic);
+      expect(msg.pubSubTopic).to.eq(DefaultPubSubTopic);
       expect(bytesToUtf8(msg.payload)).to.eq(messageText);
     };
 
diff --git a/packages/tests/tests/relay.node.spec.ts b/packages/tests/tests/relay.node.spec.ts
index 95d19fbc7d..5b8e86f99f 100644
--- a/packages/tests/tests/relay.node.spec.ts
+++ b/packages/tests/tests/relay.node.spec.ts
@@ -334,6 +334,7 @@ describe("Waku Relay [node only]", () => {
       await waku3NoMsgPromise;
 
       expect(bytesToUtf8(waku2ReceivedMsg.payload!)).to.eq(messageText);
+      expect(waku2ReceivedMsg.pubSubTopic).to.eq(pubSubTopic);
     });
   });
 
diff --git a/packages/tests/tests/store.node.spec.ts b/packages/tests/tests/store.node.spec.ts
index 5c94349462..444e81ec2e 100644
--- a/packages/tests/tests/store.node.spec.ts
+++ b/packages/tests/tests/store.node.spec.ts
@@ -615,6 +615,7 @@ describe("Waku Store, custom pubsub topic", () => {
         const msg = await promise;
         if (msg) {
           messages.push(msg);
+          expect(msg.pubSubTopic).to.eq(customPubSubTopic);
         }
       });