diff --git a/k8s/apps/mtproxy/external-secrets.yaml b/k8s/apps/mtproxy/external-secrets.yaml
index f60e412..1bb5b84 100644
--- a/k8s/apps/mtproxy/external-secrets.yaml
+++ b/k8s/apps/mtproxy/external-secrets.yaml
@@ -12,7 +12,7 @@ spec:
       data:
         SECRET: |-
           {{ .secret }}
-        PORT: "30443"
+        PORT: 30443
   data:
     - secretKey: secret
       sourceRef: