diff --git a/packages/core/src/eventSyncer.js b/packages/core/src/eventSyncer.js
index e936ec7..16b68b4 100644
--- a/packages/core/src/eventSyncer.js
+++ b/packages/core/src/eventSyncer.js
@@ -22,7 +22,7 @@ class EventSyncer {
 
     const observable = new Observable(subscriber => {
       const cb = this.callbackFactory(subscriber, filters, eventKey, eventName);
-      const fnDBEvents = this.serveDBEvents(cb, eventKey);
+      const fnDBEvents = this.serveDBEvents(cb, eventKey, !filterConditions.saveToDb);
       const fnPastEvents = this.getPastEvents(cb, eventKey, contractInstance, eventName, filters);
       const fnSubscribe = this.isWebsocketProvider ? this.subscribeToEvent(cb, contractInstance, eventName) : null;
 
@@ -58,7 +58,9 @@ class EventSyncer {
     return false;
   };
 
-  serveDBEvents = (cb, eventKey) => (toBlock, lastCachedBlock) => {
+  serveDBEvents = (cb, eventKey, fromDB) => (toBlock, lastCachedBlock) => {
+    if(!fromDB) return false; 
+
     const events = this.db.getEventsFor(eventKey);
     events.forEach(ev => cb(null, ev));
 
@@ -116,7 +118,9 @@ class EventSyncer {
 
     subscriber.next(eventData.returnValues);
 
-    this.events.emit("updateDB", {eventKey, eventData});
+    if (filterConditions && !!filterConditions.saveToDb) {
+      this.events.emit("updateDB", {eventKey, eventData});
+    }
   };
 
   close() {
diff --git a/packages/core/src/subspace.js b/packages/core/src/subspace.js
index f1ef647..399ee87 100644
--- a/packages/core/src/subspace.js
+++ b/packages/core/src/subspace.js
@@ -104,14 +104,14 @@ export default class Subspace {
       }, 100);
     }
 
-    SubspaceContract.trackEvent = (eventName, filterConditionsOrCb) => {
-      return this.trackEvent(SubspaceContract, eventName, filterConditionsOrCb);
+    SubspaceContract.trackEvent = (eventName, filterConditions) => {
+      return this.trackEvent(SubspaceContract, eventName, filterConditions);
     };
 
     Object.keys(SubspaceContract.events).forEach(ev => {
       if (!SubspaceContract.options.jsonInterface.find(x => x.type === "event" && x.name == ev)) return;
-      SubspaceContract.events[ev].track = filterConditionsOrCb =>
-        this.trackEvent(SubspaceContract, ev, filterConditionsOrCb);
+      SubspaceContract.events[ev].track = filterConditions =>
+        this.trackEvent(SubspaceContract, ev, filterConditions);
     });
 
     SubspaceContract.trackProperty = (propName, methodArgs, callArgs) => {