--- 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*