diff --git a/charts/ovn/templates/statefulset-ovsdb-nb.yaml b/charts/ovn/templates/statefulset-ovsdb-nb.yaml
index bda1ab9..9380515 100644
--- a/charts/ovn/templates/statefulset-ovsdb-nb.yaml
+++ b/charts/ovn/templates/statefulset-ovsdb-nb.yaml
@@ -58,7 +58,7 @@
             - name: OVS_DATABASE
               value: nb
             - name: OVS_PORT
-              value: "{{ tuple "ovn-ovsdb-nb" "internal" "ovsdb" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}"
+              value: {{ tuple "ovn-ovsdb-nb" "internal" "ovsdb" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
           command:
             - /tmp/ovsdb-server.sh
             - start
diff --git a/charts/ovn/templates/statefulset-ovsdb-sb.yaml b/charts/ovn/templates/statefulset-ovsdb-sb.yaml
index 3f4c6b9..400b127 100644
--- a/charts/ovn/templates/statefulset-ovsdb-sb.yaml
+++ b/charts/ovn/templates/statefulset-ovsdb-sb.yaml
@@ -58,7 +58,7 @@
             - name: OVS_DATABASE
               value: sb
             - name: OVS_PORT
-              value: "{{ tuple "ovn-ovsdb-sb" "internal" "ovsdb" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}"
+              value: {{ tuple "ovn-ovsdb-sb" "internal" "ovsdb" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
           command:
             - /tmp/ovsdb-server.sh
             - start