diff --git a/include/tests_boot_services b/include/tests_boot_services
index ec2eaf660..92a9f5ddf 100644
--- a/include/tests_boot_services
+++ b/include/tests_boot_services
@@ -146,7 +146,7 @@
                 fi
             ;;
             "Solaris")
-                if [ -n "${ROOTDIR}usr/bin/svcs" ]; then
+                if [ -x "${ROOTDIR}usr/bin/svcs" ]; then
                     SERVICE_MANAGER="SMF (svcs)"
                 elif [ -d "${ROOTDIR}etc/init.d" ]; then
                     SERVICE_MANAGER="SysV Init"