diff --git a/helm/microservice/ironic-inspector-deployment/templates/ironic-inspector.yaml b/helm/microservice/ironic-inspector-deployment/templates/ironic-inspector.yaml
index eab968d80..2e7414348 100644
--- a/helm/microservice/ironic-inspector-deployment/templates/ironic-inspector.yaml
+++ b/helm/microservice/ironic-inspector-deployment/templates/ironic-inspector.yaml
@@ -138,8 +138,7 @@ spec:
                   "/bin/sh",
                   "-c",
                   "cp -a /srv/configmap/..data/* /srv/pod-main-config/;
-                   CONF=/srv/pod-main-config/{{ .configFileName }};
-                  sed -i ''s|dnsmasq_interface=.*|dnsmasq_interface={{ $ironicInterface }}|g'' /srv/pod-main-config/inspector.conf;
+                   crudini --set /srv/pod-main-config/inspector.conf firewall dnsmasq_interface {{ $ironicInterface }};
               "],
               "volumeMounts": [
                   {