diff --git a/FHEM/98_structure.pm b/FHEM/98_structure.pm
index 820304512..4202db648 100755
--- a/FHEM/98_structure.pm
+++ b/FHEM/98_structure.pm
@@ -66,7 +66,7 @@ structAdd($$)
 
     } else {
       addToDevAttrList($c, $attrList);
-      structAdd($c, $attrList) if($defs{$d} && $defs{$d}{TYPE} eq "structure");
+      structAdd($c, $attrList) if($defs{$c} && $defs{$c}{TYPE} eq "structure");
     }
   }
   delete $defs{$d}{INstructAdd};