diff --git a/src/keymap.h b/src/keymap.h
index 0aa4474..3ffea93 100644
--- a/src/keymap.h
+++ b/src/keymap.h
@@ -101,6 +101,9 @@
 /* Used for the qnx pterm mouse */
 #define KS_PTERM_MOUSE		241
 
+/* Used for click in a tab pages label. */
+#define KS_TABLINE		240
+
 /*
  * Filler used after KS_SPECIAL and others
  */
@@ -399,6 +402,8 @@
 #define K_SELECT	TERMCAP2KEY(KS_SELECT, KE_FILLER)
 #define K_TEAROFF	TERMCAP2KEY(KS_TEAROFF, KE_FILLER)
 
+#define K_TABLINE	TERMCAP2KEY(KS_TABLINE, KE_FILLER)
+
 /*
  * Symbols for pseudo keys which are translated from the real key symbols
  * above.