diff --git a/fhem/FHEM/20_GUEST.pm b/fhem/FHEM/20_GUEST.pm
index 04ccb9ff7..5c198edaf 100644
--- a/fhem/FHEM/20_GUEST.pm
+++ b/fhem/FHEM/20_GUEST.pm
@@ -168,8 +168,8 @@ sub GUEST_Define($$) {
         $modules{dummy}{AttrFn} = "RESIDENTStk_AttrFnDummy";
     }
     elsif ( $modules{dummy}{AttrFn} ne "RESIDENTStk_AttrFnDummy" ) {
-        Log3 $name, 5,
-"RESIDENTStk $name: concurrent AttrFn already defined for dummy module. Some attribute based functions like auto-creations will not be available.";
+        Log3 $name, 4,
+"RESIDENTStk $name: concurrent AttrFn already defined for dummy module (".$modules{dummy}{AttrFn}."). Some attribute based functions like auto-creations will not be available.";
     }
 
     return undef;
diff --git a/fhem/FHEM/20_ROOMMATE.pm b/fhem/FHEM/20_ROOMMATE.pm
index 0d905537d..f1afa56fa 100644
--- a/fhem/FHEM/20_ROOMMATE.pm
+++ b/fhem/FHEM/20_ROOMMATE.pm
@@ -173,8 +173,8 @@ sub ROOMMATE_Define($$) {
         $modules{dummy}{AttrFn} = "RESIDENTStk_AttrFnDummy";
     }
     elsif ( $modules{dummy}{AttrFn} ne "RESIDENTStk_AttrFnDummy" ) {
-        Log3 $name, 5,
-"RESIDENTStk $name: concurrent AttrFn already defined for dummy module. Some attribute based functions like auto-creations will not be available.";
+        Log3 $name, 4,
+"RESIDENTStk $name: concurrent AttrFn already defined for dummy module (".$modules{dummy}{AttrFn}."). Some attribute based functions like auto-creations will not be available.";
     }
 
     return undef;