diff --git a/clusters/cl01tl/applications/ghost/values.yaml b/clusters/cl01tl/applications/ghost/values.yaml
index a0238fc0f..95760da5e 100644
--- a/clusters/cl01tl/applications/ghost/values.yaml
+++ b/clusters/cl01tl/applications/ghost/values.yaml
@@ -28,7 +28,9 @@ ghost:
     user: ghost
     database: ghost
     existingSecret: ghost-mysql-credentials-secret
-mysql-innodbcluster:    
+mysql-innodbcluster:
+  tls:
+    useSelfSigned: true
   serverInstances: 3
   routerInstances: 1
   baseServerId: 1000
@@ -43,7 +45,7 @@ mysql-innodbcluster:
       enabled: true
       longQueryTime: 2.5
   datadirVolumeClaimTemplate:
-    accessModes: 
+    accessModes:
       - ReadWriteOnce
     resources:
       requests: