diff --git a/lightdm.sysusers b/lightdm.sysusers
index 8904596..f8df911 100644
--- a/lightdm.sysusers
+++ b/lightdm.sysusers
@@ -1,3 +1,3 @@
-#Type Name    ID GECOS            Home directory   Shell
-u     lightdm -  "LightDM daemon" /var/lib/lightdm -
+#Type Name     ID  GECOS             Home directory    Shell
+u     lightdm  -   "LightDM daemon"  /var/lib/lightdm  /sbin/nologin