diff --git a/nova/Chart.yaml b/nova/Chart.yaml
index 259eefb789..b990122adb 100644
--- a/nova/Chart.yaml
+++ b/nova/Chart.yaml
@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Nova
 name: nova
-version: 0.3.20
+version: 0.3.21
 home: https://docs.openstack.org/nova/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Nova/OpenStack_Project_Nova_vertical.png
 sources:
diff --git a/nova/templates/bin/_health-probe.py.tpl b/nova/templates/bin/_health-probe.py.tpl
index 660d62b627..6450301ae3 100644
--- a/nova/templates/bin/_health-probe.py.tpl
+++ b/nova/templates/bin/_health-probe.py.tpl
@@ -34,6 +34,7 @@ Usage example for Nova Compute:
 import json
 import os
 import psutil
+import re
 import signal
 import socket
 import sys
@@ -142,7 +143,7 @@ def configured_port_in_conf():
     try:
         with open(sys.argv[2]) as conf_file:
             for line in conf_file:
-                if "connection =" in line:
+                if re.match(r'^\s*connection\s*=', line):
                     service = line.split(':', 3)[3].split('/')[1].rstrip('\n')
                     if service == "nova":
                         database_ports.add(
diff --git a/releasenotes/notes/nova.yaml b/releasenotes/notes/nova.yaml
index bd9fe240c3..1f0940b0c1 100644
--- a/releasenotes/notes/nova.yaml
+++ b/releasenotes/notes/nova.yaml
@@ -89,4 +89,5 @@ nova:
   - 0.3.18 Fix nova ssh keys permission
   - 0.3.19 Add support for enabling vencrypt
   - 0.3.20 Add cinder auth config
+  - 0.3.21 Update health probe script considering ovsdb_connection config
 ...