diff --git a/bcache-register b/bcache-register
index 3a9cd995..9b592bcd 100755
--- a/bcache-register
+++ b/bcache-register
@@ -1,4 +1,4 @@
 #!/bin/sh
-modprobe -qba bcache
+/sbin/modprobe -qba bcache
 test -f /sys/fs/bcache/register_quiet && echo "$1" > /sys/fs/bcache/register_quiet