diff --git a/otc/only-forgejo.t09.de/stacks/forgejo/forgejo-server/values.yaml b/otc/only-forgejo.t09.de/stacks/forgejo/forgejo-server/values.yaml
index 4c2c406..19de54f 100644
--- a/otc/only-forgejo.t09.de/stacks/forgejo/forgejo-server/values.yaml
+++ b/otc/only-forgejo.t09.de/stacks/forgejo/forgejo-server/values.yaml
@@ -34,12 +34,11 @@ extraVolumeMounts:
 
 extraVolumes:
   - name: elasticsearch-cert-volume
-    configMap:
-      defaultMode: 420
-      name: elasticsearch-cert
+    secret:
+      secretName: elasticsearch-cert
       items:
-      - key: elasticsearch.pem
-        path: elasticsearch.pem      
+      - key: elasticsearch.cer
+        path: elasticsearch.cer   
   - name: postgres-cert-volume
     secret:
       secretName: otc-rds-tls-ca-cert