diff --git a/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp b/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp
index f3ef660a..4b6f6796 100644
--- a/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp
+++ b/src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp
@@ -62,6 +62,7 @@ void gameLobbyDialogImpl::exec()
 		groupBox_lobbyChat->hide(); 
 	}
 
+	waitStartGameMsgBoxTimer->stop();
 	waitStartGameMsgBox->hide();
 
 	QDialog::exec();