diff --git a/include/tests_authentication b/include/tests_authentication
index 7e09effc..c31d4c2d 100644
--- a/include/tests_authentication
+++ b/include/tests_authentication
@@ -771,8 +771,8 @@
         if [ -f /etc/inittab ]; then
             logtext "Result: file /etc/inittab exists"
             logtext "Test: checking presence sulogin for single user mode"
-            FIND=`grep "^~~:S:wait:/sbin/sulogin" /etc/inittab`
-            FIND2=`grep "^su:S:wait:/sbin/sulogin" /etc/inittab`
+            FIND=`egrep "^~~:S:(respawn|wait):/sbin/sulogin" /etc/inittab`
+            FIND2=`egrep "^su:S:(respawn|wait):/sbin/sulogin" /etc/inittab`
             if [ ! "${FIND}" = "" -o ! "${FIND2}" = "" ]; then
                 FOUND=1
                 logtext "Result: found sulogin, so single user is protected"