diff --git a/fhem/FHEM/36_PCA301.pm b/fhem/FHEM/36_PCA301.pm
index f3eac84d7..2583ac382 100644
--- a/fhem/FHEM/36_PCA301.pm
+++ b/fhem/FHEM/36_PCA301.pm
@@ -216,7 +216,7 @@ PCA301_Parse($$)
 
   $rhash->{PCA301_lastRcv} = TimeNow();
 
-  if( $rhash->{channel} != $channel ) {
+  if( $rhash->{channel} ne $channel ) {
     Log3 $rname, 3, "PCA301 $rname, channel changed from $rhash->{channel} to $channel";
 
     $rhash->{channel} = $channel;