diff --git a/charts/mailproxy/v0.1.0/templates/nginx-deployment.yaml b/charts/mailproxy/v0.1.0/templates/nginx-deployment.yaml
index 9108e7c..c4cfe70 100644
--- a/charts/mailproxy/v0.1.0/templates/nginx-deployment.yaml
+++ b/charts/mailproxy/v0.1.0/templates/nginx-deployment.yaml
@@ -41,9 +41,10 @@ spec:
               path: /
               port: http
           readinessProbe:
-            httpGet:
-              path: /
-              port: http
+            tcpSocket:
+              port: 993
+            initialDelaySeconds: 10
+            periodSeconds: 15
           volumeMounts:
             - mountPath: /etc/nginx/nginx.conf
               subPath: nginx-conf