diff --git a/openwrt/package/base-files/default/sbin/mount_root b/openwrt/package/base-files/default/sbin/mount_root
index e855b41a1e..bd9b815e12 100755
--- a/openwrt/package/base-files/default/sbin/mount_root
+++ b/openwrt/package/base-files/default/sbin/mount_root
@@ -30,7 +30,7 @@ if [ "$1" != "failsafe" ]; then
 			pivot_root /jffs /jffs/rom
 			mount none /proc -t proc
 			mount none /dev -t devfs
-			umount /rom/proc rom/dev >&-
+			umount /rom/proc /rom/dev >&-
 		fi
 	fi
 fi