diff --git a/deployments/custom-installation/deployManager.yaml b/deployments/custom-installation/deployManager.yaml
index 3b8a824de80d55b5c513deb01b9e31ea9de4df6d..79e3d99105692f0c429d0eaed980ded6131862d1 100644
--- a/deployments/custom-installation/deployManager.yaml
+++ b/deployments/custom-installation/deployManager.yaml
@@ -18948,7 +18948,7 @@ spec:
         - name: CONTROLLER_IP
           value: l2sm-controller-service.default.svc.cluster.local
         - name: CONTROLLER_PORT
-          value: 8181
+          value: "8181"
         image: alexdecb/l2sm-controller-manager:2.5
         livenessProbe:
           httpGet: