diff --git a/src/buffer.c b/src/buffer.c
index 99d23ec..8590e2a 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -4114,7 +4114,7 @@
 
 	case STL_KEYMAP:
 	    fillable = FALSE;
-	    if (get_keymap_str(wp, tmp, TMPLEN))
+	    if (get_keymap_str(wp, (char_u *)"<%s>", tmp, TMPLEN))
 		str = tmp;
 	    break;
 	case STL_PAGENUM: