diff --git a/clusters/cl01tl/platform/ntfy/values.yaml b/clusters/cl01tl/platform/ntfy/values.yaml
index 4c1ba12ef..4e089ab17 100644
--- a/clusters/cl01tl/platform/ntfy/values.yaml
+++ b/clusters/cl01tl/platform/ntfy/values.yaml
@@ -41,7 +41,7 @@ ntfy:
             - name: NTFY_ATTACHMENT_EXPIRY_DURATION
               value: 36h
             - name: NTFY_ENABLE_SIGNUP
-              value: true
+              value: false
             - name: NTFY_ENABLE_LOGIN
               value: true
             - name: NTFY_ENABLE_RESERVATIONS