diff --git a/components/codetools/finddeclarationtool.pas b/components/codetools/finddeclarationtool.pas
index b0f6a0b4cd..9248d0a77b 100644
--- a/components/codetools/finddeclarationtool.pas
+++ b/components/codetools/finddeclarationtool.pas
@@ -194,6 +194,7 @@ const
   fdfGlobals = [fdfExceptionOnNotFound, fdfTopLvlResolving,
                 fdfExtractOperand, fdfPropertyResolving,
                 fdfOverrideStringTypesWithFirstParamType];
+  fdfGlobalsAndAncestor = fdfGlobals+[fdfSearchInAncestors];
   fdfGlobalsSameIdent = fdfGlobals+[fdfExceptionOnPredefinedIdent,
                 fdfIgnoreMissingParams, fdfIgnoreUsedUnits, fdfDoNotCache,
                 fdfOnlyCompatibleProc, fdfSearchInAncestors, fdfCollect, fdfSearchInHelpers];
@@ -5268,7 +5269,7 @@ var
       debugln(['TFindDeclarationTool.FindBaseTypeOfNode.SearchIdentifier Identifier=',GetIdentifier(@Src[IdentStart])]);
       {$ENDIF}
       SubParams.Flags:=[fdfSearchInParentNodes,fdfExceptionOnNotFound]
-                      +(fdfGlobals*Params.Flags);
+                      +(fdfGlobalsAndAncestor*Params.Flags);
       SubParams.ContextNode:=StartNode.Parent;
       if (SubParams.ContextNode.Desc in (AllIdentifierDefinitions))
       then begin
diff --git a/components/codetools/tests/moduletests/fdt_nestedaliasclass.pas b/components/codetools/tests/moduletests/fdt_nestedaliasclass.pas
index 15dc06bb42..f17e4fa6cb 100644
--- a/components/codetools/tests/moduletests/fdt_nestedaliasclass.pas
+++ b/components/codetools/tests/moduletests/fdt_nestedaliasclass.pas
@@ -25,7 +25,7 @@ type
     TAliasBirdWing = TBirdWing{declaration:fdt_nestedaliasclass.TBird.TBirdWing};
     TEagleWing = class(TAliasBirdWing{declaration:fdt_nestedaliasclass.TEagle.TAliasBirdWing})
     public
-      procedure Fly; override;
+      procedure Fly{declaration:fdt_nestedaliasclass.TBird.TBirdWing.Fly}; override;
     end;
   end;