diff --git a/include/tests_boot_services b/include/tests_boot_services
index 3b0d3a2e..274fd2d3 100644
--- a/include/tests_boot_services
+++ b/include/tests_boot_services
@@ -71,7 +71,7 @@
         case ${OS} in
             "Linux")
                 if [ -f /proc/1/cmdline ]; then
-                    FILENAME=$(${AWKBINARY} '/(^\/|init)/ { print $1 }' /proc/1/cmdline | tr -d '\0')
+                    FILENAME=$(${AWKBINARY} '/(^\/|init)/ { print $1 }' /proc/1/cmdline | ${TRBINARY} '\0' ' ' | ${SEDBINARY} 's/ $//' | ${AWKBINARY} '{ print $1 }')
                     LogText "Result: cmdline found = ${FILENAME}"
                     ISFILE=$(echo ${FILENAME} | ${GREPBINARY} "^/")
                     if [ ! -z "${ISFILE}" ]; then