diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index bde9b1199..088ad5daa 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -3124,6 +3124,7 @@ DoTrigger($$@)
 
   if(!defined($hash->{INTRIGGER})) {
     delete($hash->{CHANGED});
+    delete($hash->{CHANGETIME});
     delete($hash->{CHANGEDWITHSTATE});
   }