diff --git a/devel/ftoption.h b/devel/ftoption.h
index fadda13a6..21af1cd63 100644
--- a/devel/ftoption.h
+++ b/devel/ftoption.h
@@ -751,7 +751,7 @@ FT_BEGIN_HEADER
   /* switch between the two engines using the `hinting-engine' property of */
   /* the type1 driver module.                                              */
   /*                                                                       */
-/* #define T1_CONFIG_OPTION_OLD_ENGINE */
+#define T1_CONFIG_OPTION_OLD_ENGINE
 
 
   /*************************************************************************/