diff --git a/Classes/ChatConversationView.m b/Classes/ChatConversationView.m
index b975a721f..b0662973a 100644
--- a/Classes/ChatConversationView.m
+++ b/Classes/ChatConversationView.m
@@ -313,6 +313,7 @@ static UICompositeViewDescription *compositeDescription = nil;
 	[NSNotificationCenter.defaultCenter removeObserver:self];
 	PhoneMainView.instance.currentRoom = NULL;
 	[[UIApplication sharedApplication] setIdleTimerDisabled:false];
+	_chatRoom = NULL;
 }
 
 - (void)removeCallBacks {