diff --git a/src/option.h b/src/option.h
index 57da842..ebf154b 100644
--- a/src/option.h
+++ b/src/option.h
@@ -288,6 +288,8 @@
 #define STL_TRUNCMARK	'<'		/* truncation mark if line is too long*/
 #define STL_USER_HL	'*'		/* highlight from (User)1..9 or 0 */
 #define STL_HIGHLIGHT	'#'		/* highlight name */
+#define STL_TABPAGENR	'T'		/* tab page label nr */
+#define STL_TABCLOSENR	'X'		/* tab page close nr */
 #define STL_ALL		((char_u *) "fFtcvVlLknoObBrRhHmYyWwMpPaN{#")
 
 /* flags used for parsed 'wildmode' */