diff --git a/components/codetools/ide/codyidentifiersdlg.pas b/components/codetools/ide/codyidentifiersdlg.pas
index 02574a88f8..f8237d582b 100644
--- a/components/codetools/ide/codyidentifiersdlg.pas
+++ b/components/codetools/ide/codyidentifiersdlg.pas
@@ -388,7 +388,7 @@ begin
     on E: Exception do begin
       debugln(['WARNING: TCodyUDLoadSaveThread.Execute Load=',Load,' ',E.Message]);
       Dictionary.LoadSaveError:=E.Message;
-      DumpExceptionBackTrace;
+      // DumpExceptionBackTrace; gives wrong line numbers multithreaded
       if E is ECTUnitDictionaryLoadError then begin
         BugFilename:=Filename+'.bug';
         debugln(['TCodyUDLoadSaveThread.Execute saving buggy file for inspection to "',BugFilename,'"']);