diff --git a/src/gui/components/cc_timer.cpp b/src/gui/components/cc_timer.cpp
index ab6523840..d6659aa38 100644
--- a/src/gui/components/cc_timer.cpp
+++ b/src/gui/components/cc_timer.cpp
@@ -143,6 +143,7 @@ bool CComponentsTimer::startTimer()
 bool CComponentsTimer::stopTimer()
 {
 	tm_enable = false;
+	OnTimer.clear();
 	stopThread();
 	if(tm_thread == 0)
 		return true;