diff --git a/src/chat/chat-room/chat-room.cpp b/src/chat/chat-room/chat-room.cpp
index aaecdf469..75f91c676 100644
--- a/src/chat/chat-room/chat-room.cpp
+++ b/src/chat/chat-room/chat-room.cpp
@@ -168,7 +168,7 @@ bool ChatRoomPrivate::sendDisplayNotification (const shared_ptr<ChatMessage> &me
 	LinphoneImNotifPolicy *policy = linphone_core_get_im_notif_policy(q->getCore()->getCCore());
 	if (linphone_im_notif_policy_get_send_imdn_displayed(policy)) {
 		imdnHandler->notifyDisplay(message);
-		return true;
+		return imdnHandler->aggregationEnabled();
 	}
 	return false;
 }
diff --git a/src/chat/notification/imdn.h b/src/chat/notification/imdn.h
index 58755fdd8..fd765b040 100644
--- a/src/chat/notification/imdn.h
+++ b/src/chat/notification/imdn.h
@@ -69,13 +69,14 @@ public:
 	void onGlobalStateChanged (LinphoneGlobalState state) override;
 	void onNetworkReachable (bool sipNetworkReachable, bool mediaNetworkReachable) override;
 
+	bool aggregationEnabled () const;
+
 	static std::string createXml (const std::string &id, time_t time, Imdn::Type imdnType, LinphoneReason reason);
 	static void parse (const std::shared_ptr<ChatMessage> &chatMessage);
 
 private:
 	static int timerExpired (void *data, unsigned int revents);
 
-	bool aggregationEnabled () const;
 	void send ();
 	void startTimer ();
 	void stopTimer ();