diff --git a/healthcheck/nova-api b/healthcheck/nova-api
index ef82ea7e7..c966d574d 100755
--- a/healthcheck/nova-api
+++ b/healthcheck/nova-api
@@ -3,7 +3,7 @@
 . ${HEALTHCHECK_SCRIPTS:-/usr/share/openstack-tripleo-common/healthcheck}/common.sh
 
 
-if ps -ef | grep --quiet nova-metadata; then
+if pgrep -f nova-metadata; then
     check_url=$(get_url_from_vhost /etc/httpd/conf.d/10-nova_metadata_wsgi.conf)
 else
     check_url=$(get_url_from_vhost /etc/httpd/conf.d/10-nova_api_wsgi.conf)