diff --git a/compiler/ncgrtti.pas b/compiler/ncgrtti.pas
index 55858031e6..0b909a4eca 100644
--- a/compiler/ncgrtti.pas
+++ b/compiler/ncgrtti.pas
@@ -624,7 +624,10 @@ implementation
         begin
           write_header(def,tkClassRef);
           maybe_write_align;
-          current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.pointeddef,rt)));
+          if is_objc_class_or_protocol(def.pointeddef) then
+            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(nil))
+          else
+            current_asmdata.asmlists[al_rtti].concat(Tai_const.Create_sym(ref_rtti(def.pointeddef,rt)));
         end;
 
         procedure pointerdef_rtti(def:tpointerdef);