diff --git a/include/tests_authentication b/include/tests_authentication
index 9727be06..2bc48074 100644
--- a/include/tests_authentication
+++ b/include/tests_authentication
@@ -905,7 +905,7 @@
                 TEST_PERFORMED=1
                 LogText "Result: file /etc/inittab exists"
                 LogText "Test: checking presence sulogin for single user mode"
-                FIND=$(${EGREPBINARY} "^~~:S:(respawn|wait):/sbin/sulogin" /etc/inittab)
+                FIND=$(${EGREPBINARY} "^[a-zA-Z0-9]+:S:(respawn|wait):/sbin/sulogin" /etc/inittab)
                 FIND2=$(${EGREPBINARY} "^su:S:(respawn|wait):/sbin/sulogin" /etc/inittab)
                 if [ ! -z "${FIND}" -o ! -z "${FIND2}" ]; then
                     FOUND=1