client/js/lists/radiobuttonlist/radiobuttonlist.js in rsence-pre-3.0.0.15 vs client/js/lists/radiobuttonlist/radiobuttonlist.js in rsence-pre-3.0.0.16

@@ -61,10 +61,12 @@
     else if (this['valueMatrix'] !== undefined){
       this.setValue(-1);
       var
       _prevIndex = this.radioButtonIndexValue.value,
       _listLen = _listItems.length;
-      this.radioButtonIndexValue.set(-1);
+      if (this.radioButtonIndexValue) {
+        this.radioButtonIndexValue.set(-1);
+      }
       if( _listLen > 0 ){
         if( _listLen-1 < _prevIndex ){
           this.setValue(this.listItems[_listLen-1][0]);
         }
         else if (this.listItems[_prevIndex]){