diff --git a/FHEM/10_IT.pm b/FHEM/10_IT.pm
index cf2a5375f..65557968a 100644
--- a/FHEM/10_IT.pm
+++ b/FHEM/10_IT.pm
@@ -62,9 +62,10 @@ IT_SetState($$$$)
 {
   my ($hash, $tim, $vt, $val) = @_;
 
+  return undef;
+
   $val = $1 if($val =~ m/^(.*) \d+$/);
   return "Undefined value $val" if(!defined($it_c2b{$val}));
-  return undef;
 }
 
 #############################