diff --git a/[refs] b/[refs]
index 66c5adb627c4..7fa4a29dc7f4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d8bd9e0aedabcb47887712497bc386a06ddcbd12
+refs/heads/master: d9541ed3241bb6c2b805d3ea0e87563cf2a0c5c3
diff --git a/trunk/tools/perf/util/header.c b/trunk/tools/perf/util/header.c
index 08b6759287f5..59a9c0b3033e 100644
--- a/trunk/tools/perf/util/header.c
+++ b/trunk/tools/perf/util/header.c
@@ -209,7 +209,7 @@ static int __dsos__write_buildid_table(struct list_head *head, int fd)
 		err = do_write(fd, pos->long_name, pos->long_name_len + 1);
 		if (err < 0)
 			return err;
-		err = do_write(fd, zero_buf, len - pos->long_name_len + 1);
+		err = do_write(fd, zero_buf, len - pos->long_name_len - 1);
 		if (err < 0)
 			return err;
 	}