diff --git a/fhem/www/pgm2/fhemweb_colorpicker.js b/fhem/www/pgm2/fhemweb_colorpicker.js
index 6761ffea6..97e18ac87 100644
--- a/fhem/www/pgm2/fhemweb_colorpicker.js
+++ b/fhem/www/pgm2/fhemweb_colorpicker.js
@@ -81,7 +81,7 @@ FW_colorpickerCreate(elName, devName, vArr, currVal, set, params, cmd)
 
       if( cmds[index] )
         cmds[index]( parseInt(arg * ranges[index][2]) );
-      else
+      else if( cmd )
         cmd( rgb );
     }