diff --git a/init.d/devfs.in b/init.d/devfs.in
index 7fba8820..ae5f03bf 100644
--- a/init.d/devfs.in
+++ b/init.d/devfs.in
@@ -71,7 +71,7 @@ seed_dev()
 	for x in \
 		"mqueue /dev/mqueue 1777 ,nodev mqueue" \
 		"devpts /dev/pts 0755 ,gid=5,mode=0620 devpts" \
-		"tmpfs /dev/shm 1777 ,nodev shm" \
+		"tmpfs /dev/shm 1777 ,nodev,mode=1777 shm" \
 	; do
 		set -- $x
 		grep -Eq "[[:space:]]+$1$" /proc/filesystems || continue