diff --git a/Classes/ChatConversationView.h b/Classes/ChatConversationView.h
index 29c8c3e43..c52b785ac 100644
--- a/Classes/ChatConversationView.h
+++ b/Classes/ChatConversationView.h
@@ -112,5 +112,6 @@
 - (void)showFileDownloadError;
 - (NSURL *)getICloudFileUrl:(NSString *)name;
 - (BOOL)writeFileInICloud:(NSData *)data fileURL:(NSURL *)fileURL;
+- (void)removeCallBacks;
 
 @end
diff --git a/Classes/ChatConversationView.m b/Classes/ChatConversationView.m
index a903a68b9..c755452e2 100644
--- a/Classes/ChatConversationView.m
+++ b/Classes/ChatConversationView.m
@@ -175,10 +175,6 @@ static UICompositeViewDescription *compositeDescription = nil;
                                            selector:@selector(onLinphoneCoreReady:)
                                                name:kLinphoneGlobalStateUpdate
                                              object:nil];
-    [NSNotificationCenter.defaultCenter addObserver:self
-                                           selector:@selector(didEnterBackground:)
-                                               name:UIApplicationDidEnterBackgroundNotification
-                                             object:nil];
     if ([_imagesArray count] > 0) {
         [UIView animateWithDuration:0
                               delay:0
@@ -213,10 +209,6 @@ static UICompositeViewDescription *compositeDescription = nil;
 	PhoneMainView.instance.currentRoom = NULL;
 }
 
-- (void)didEnterBackground:(NSNotification *)notif {
-	[self removeCallBacks];
-}
-
 - (void)removeCallBacks {
 	if (_chatRoom && _chatRoomCbs) {
 		linphone_chat_room_remove_callbacks(_chatRoom, _chatRoomCbs);
diff --git a/Classes/LinphoneAppDelegate.m b/Classes/LinphoneAppDelegate.m
index 58021e341..a7bc25ed3 100644
--- a/Classes/LinphoneAppDelegate.m
+++ b/Classes/LinphoneAppDelegate.m
@@ -60,6 +60,10 @@
 	if (linphone_core_get_global_state(LC) != LinphoneGlobalOff) {
 		[LinphoneManager.instance enterBackgroundMode];
 		[LinphoneManager.instance.fastAddressBook clearFriends];
+		if (PhoneMainView.instance.currentView == ChatConversationView.compositeViewDescription) {
+			ChatConversationView *view = VIEW(ChatConversationView);
+			[view removeCallBacks];
+		}
 		[CoreManager.instance stopLinphoneCore];
 	}
 }