diff --git a/roles/tpa_single_node/templates/manifests/guac/collectsub/Deployment.yaml.j2 b/roles/tpa_single_node/templates/manifests/guac/collectsub/Deployment.yaml.j2
index 55fa5dc..5f39b63 100644
--- a/roles/tpa_single_node/templates/manifests/guac/collectsub/Deployment.yaml.j2
+++ b/roles/tpa_single_node/templates/manifests/guac/collectsub/Deployment.yaml.j2
@@ -46,8 +46,11 @@ spec:
               name: tls-cert
               readOnly: true
           livenessProbe:
-            tcpSocket:
-              port: 2782
+            exec:
+              command:
+                - sh
+                - -c
+                - "echo > /dev/tcp/localhost/2782"
           ports:
             - containerPort: 2782
               protocol: TCP