diff --git a/clusters/cl01tl/platform/matrix-synapse/values.yaml b/clusters/cl01tl/platform/matrix-synapse/values.yaml
index 8b9c87ffb..0b1cb30ca 100644
--- a/clusters/cl01tl/platform/matrix-synapse/values.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/values.yaml
@@ -5,6 +5,8 @@ matrix-synapse:
   signingkey:
     job:
       enabled: false
+    existingSecret: matrix-synapse-signingkey
+    existingSecretKey: signing.key
   config:
     reportStats: false
     enableRegistration: true