diff --git a/clusters/cl01tl/applications/ghost/values.yaml b/clusters/cl01tl/applications/ghost/values.yaml
index ac5309bb0..700a1fb78 100644
--- a/clusters/cl01tl/applications/ghost/values.yaml
+++ b/clusters/cl01tl/applications/ghost/values.yaml
@@ -23,7 +23,7 @@ ghost:
   mysql:
     enabled: false
   externalDatabase:
-    host: ghost-mysql-8-cluster
+    host: ghost-mysql-8-cluster-instances.ghost.svc.cluster.local
     port: 3306
     user: ghost
     database: ghost