diff --git a/src/lib/waku/types.ts b/src/lib/waku/types.ts
index c5db885..026627a 100644
--- a/src/lib/waku/types.ts
+++ b/src/lib/waku/types.ts
@@ -28,7 +28,7 @@ export interface CellMessage extends BaseMessage {
   id: string;
   name: string;
   description: string;
-  icon: string;
+  icon?: string;
 }
 
 /**
diff --git a/src/types/index.ts b/src/types/index.ts
index e3c2229..95a2d01 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -16,7 +16,7 @@ export interface Cell {
   id: string;
   name: string;
   description: string;
-  icon: string;
+  icon?: string;
   signature?: string; // Message signature
   browserPubKey?: string; // Public key that signed the message
 }