diff --git a/chart/sonarr/templates/statefulset.yaml b/chart/sonarr/templates/statefulset.yaml
index 619fdcb..f21c6f4 100644
--- a/chart/sonarr/templates/statefulset.yaml
+++ b/chart/sonarr/templates/statefulset.yaml
@@ -34,7 +34,7 @@ spec:
           - name: PORT
             value: 9707
           - name: URL
-            value: http://127.0.0.1:8989
+            value: "http://127.0.0.1:8989"
       - name: {{ .Chart.Name }}
         securityContext:
           {{- toYaml .Values.securityContext | nindent 12 }}