diff --git a/doc/update/7.2-to-7.3.md b/doc/update/7.2-to-7.3.md
index 942f9e9641f07281af4f1fefd9de900bd8535439..5707d1930b6b4201be92fa813cca069216f941e3 100644
--- a/doc/update/7.2-to-7.3.md
+++ b/doc/update/7.2-to-7.3.md
@@ -73,7 +73,7 @@ sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
     # Enable Redis socket for default Debian / Ubuntu path
     echo 'unixsocket /var/run/redis/redis.sock' | sudo tee -a /etc/redis/redis.conf
     # Be sure redis group can write to the socket.
-    echo 'unixsocketperm 775' | sudo tee -a /etc/redis/redis.conf
+    echo 'unixsocketperm 0775' | sudo tee -a /etc/redis/redis.conf
     # Activate the changes to redis.conf
     sudo service redis-server restart
     # Add git to the redis group