diff --git a/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/configure-pfaedit.h b/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/configure-pfaedit.h
index 6f9380d581d1718e0935af2a51854e0cdaf5756a..3126010ac558b244b440f73f530ba1e43819b552 100644
--- a/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/configure-pfaedit.h
+++ b/source/texk/web2c/luatexdir/luafontloader/fontforge/fontforge/configure-pfaedit.h
@@ -145,7 +145,7 @@
 /*  instead.  The extra precision is usually not needed, but the extra space  */
 /*  can be a problem with large (CJK, UNICODE) fonts.                         */
 /*									      */
-/* #define FONTFORGE_CONFIG_USE_DOUBLE					      */
+#define FONTFORGE_CONFIG_USE_DOUBLE					      
 /* #define FONTFORGE_CONFIG_USE_LONGDOUBLE				      */
 /*									      */