diff --git a/include/freetype/internal/ftserv.h b/include/freetype/internal/ftserv.h
index 974703d5e..6d4294cb6 100644
--- a/include/freetype/internal/ftserv.h
+++ b/include/freetype/internal/ftserv.h
@@ -511,6 +511,7 @@ FT_BEGIN_HEADER
 #define FT_SERVICE_TT_CMAP_H            <freetype/internal/services/svttcmap.h>
 #define FT_SERVICE_WINFNT_H             <freetype/internal/services/svwinfnt.h>
 #define FT_SERVICE_PK_H                 <freetype/internal/services/svpk.h>
+#define FT_SERVICE_VF_H                 <freetype/internal/services/svvf.h>
 
  /* */
 
diff --git a/include/freetype/internal/services/svfntfmt.h b/include/freetype/internal/services/svfntfmt.h
index d5e765c48..e5d9b730b 100644
--- a/include/freetype/internal/services/svfntfmt.h
+++ b/include/freetype/internal/services/svfntfmt.h
@@ -43,6 +43,7 @@ FT_BEGIN_HEADER
 #define FT_FONT_FORMAT_PFR       "PFR"
 #define FT_FONT_FORMAT_WINFNT    "Windows FNT"
 #define FT_FONT_FORMAT_PK        "PK"
+#define FT_FONT_FORMAT_VF        "VF"
 
   /* */