diff --git a/api/src/chat/services/chat.service.ts b/api/src/chat/services/chat.service.ts
index ec7b69e6..6a28b315 100644
--- a/api/src/chat/services/chat.service.ts
+++ b/api/src/chat/services/chat.service.ts
@@ -47,6 +47,19 @@ export class ChatService {
     private readonly attachmentService: AttachmentService,
   ) {}
 
+  /**
+   * Synchronize sent messages cross opened websocket connections of the same account
+   *
+   * @param event - The received event
+   */
+  private broadcastSentMessages(event: EventWrapper<any, any>) {
+    this.websocketGateway.broadcast(
+      event.getSender(),
+      event.getEventType(),
+      event._adapter.raw,
+    );
+  }
+
   /**
    * Ends a given conversation (sets active to false)
    *
@@ -268,6 +281,7 @@ export class ChatService {
         // Already existing user profile
         // Exec lastvisit hook
         this.eventEmitter.emit('hook:user:lastvisit', subscriber);
+        this.broadcastSentMessages(event);
       }
 
       this.websocketGateway.broadcastSubscriberUpdate(subscriber);