--- a/etc/login.defs
+++ b/etc/login.defs
@@ -111,7 +111,7 @@ NOLOGINS_FILE /etc/nologin
# command as "-su". If not defined, then ps(1) will display the
# name of the shell actually being run, e.g. something like "-sh".
#
-SU_NAME su
+#SU_NAME su
# *REQUIRED*