diff --git a/clusters/cl01tl/manifests/matrix-synapse/StatefulSet-mautrix-whatsapp.yaml b/clusters/cl01tl/manifests/matrix-synapse/StatefulSet-mautrix-whatsapp.yaml
index e8178d507..f3a662315 100644
--- a/clusters/cl01tl/manifests/matrix-synapse/StatefulSet-mautrix-whatsapp.yaml
+++ b/clusters/cl01tl/manifests/matrix-synapse/StatefulSet-mautrix-whatsapp.yaml
@@ -42,8 +42,8 @@ spec:
             - |
               echo ">> Coping files ..."
               ls /tmp
-              cp -fv /tmp/config.yaml /data/config.yml
-              cp -fv /tmp/mautrix-whatsapp-registration.yaml /data/registration.yml
+              cp -fv /tmp/config.yaml /data/config.yaml
+              cp -fv /tmp/mautrix-whatsapp-registration.yaml /data/registration.yaml
               echo ">> Files in data:"
               ls /data
           image: busybox:1.37.0