diff --git a/src/hb-ot-name.h b/src/hb-ot-name.h
index 35146ac063144981fbb1ca90cbf93bfcaf7bea19..b406c090b92f7749c1b672375afbfa5a5f853714 100644
--- a/src/hb-ot-name.h
+++ b/src/hb-ot-name.h
@@ -73,7 +73,9 @@ typedef enum
   HB_NAME_ID_DARK_BACKGROUND		= 24,
   HB_NAME_ID_VARIATIONS_PS_PREFIX	= 25,
 
-  HB_NAME_ID_INVALID			= 0xFFFF
+  HB_NAME_ID_INVALID			= 0xFFFF,
+
+  _HB_NAME_ID_MAX_VALUE_SIGNED		= 0x7FFFFFFF /*< skip >*/ /* So we get int-sized. */
 } hb_name_id_t;