diff --git a/components/chelper/cparserutils.pas b/components/chelper/cparserutils.pas
index 9f2ae5b93..32014b3c9 100644
--- a/components/chelper/cparserutils.pas
+++ b/components/chelper/cparserutils.pas
@@ -20,6 +20,8 @@ unit cparserutils;
 
 interface
 
+{$ifdef fpc}{$mode delphi}{$h+}{$endif}
+
 uses
   cparsertypes;