diff --git a/fhem/FHEM/10_KNX.pm b/fhem/FHEM/10_KNX.pm
index 8fcd6b3cc..3f1e0f5ee 100644
--- a/fhem/FHEM/10_KNX.pm
+++ b/fhem/FHEM/10_KNX.pm
@@ -32,7 +32,7 @@ use Encode;
 use SetExtensions;
 
 #set to 1 for debug
-my $debug = 1;
+my $debug = 0;
 
 #string constant for autocreate
 my $modelErr = "MODEL_NOT_DEFINED";