1 files changed, 1 insertions, 1 deletions

diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index e5f0c2deb..976568814 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -783,7 +783,7 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
                                 int seqlen;
                                 char seqbuf[sizeof(int)*3 + 2];
 
-                                seqlen = open_read_close("mdev.seq", seqbuf, sizeof(seqbuf-1));
+                                seqlen = open_read_close("mdev.seq", seqbuf, sizeof(seqbuf) - 1);
                                 if (seqlen < 0) {
                                         seq = NULL;
                                         break;