diff --git a/cockatrice/src/tab_supervisor.cpp b/cockatrice/src/tab_supervisor.cpp
index 824d149d..d02df83b 100644
--- a/cockatrice/src/tab_supervisor.cpp
+++ b/cockatrice/src/tab_supervisor.cpp
@@ -172,6 +172,9 @@ void TabSupervisor::stop()
 
 	clear();
 	
+	tabUserLists->deleteLater();
+	tabUserLists = 0;
+	
 	tabServer->deleteLater();
 	tabServer = 0;