diff --git a/debian/alternc-squirrelmail.postinst b/debian/alternc-squirrelmail.postinst
index 9c9ebfcd..5a69e6ed 100644
--- a/debian/alternc-squirrelmail.postinst
+++ b/debian/alternc-squirrelmail.postinst
@@ -12,7 +12,7 @@ case "$1" in
 	
         # add alternc-squirrelmail user for php-itk special rights
 	if ! getent passwd alternc-squirrelmail; then
-	    useradd -g alternc-squirrelmail -u 1997 alternc-squirrelmail -d /usr/share/squirrelmail -m 
+	    useradd -g nogroup -u 1997 alternc-squirrelmail -d /usr/share/squirrelmail 
 	fi 	     
 	dpkg-statoverride --add alternc-squirrelmail root 0750 /var/spool/squirrelmail/attach /usr/lib/squirrelmail/data
 	chown -R alternc-squirrelmail:root /var/spool/squirrelmail/attach /usr/lib/squirrelmail/data