diff --git a/charts/postgres-operator-ui/templates/deployment.yaml b/charts/postgres-operator-ui/templates/deployment.yaml
index 00610c799..4c6d46689 100644
--- a/charts/postgres-operator-ui/templates/deployment.yaml
+++ b/charts/postgres-operator-ui/templates/deployment.yaml
@@ -46,7 +46,7 @@ spec:
             - name: "RESOURCES_VISIBLE"
               value: "{{ .Values.envs.resourcesVisible }}"
             - name: "TARGET_NAMESPACE"
-              value: {{ .Values.envs.targetNamespace }}
+              value: "{{ .Values.envs.targetNamespace }}"
             - name: "TEAMS"
               value: |-
                 [