diff --git a/clusters/cl01tl/platform/matrix-synapse/values.yaml b/clusters/cl01tl/platform/matrix-synapse/values.yaml
index dc240697e..8c321970e 100644
--- a/clusters/cl01tl/platform/matrix-synapse/values.yaml
+++ b/clusters/cl01tl/platform/matrix-synapse/values.yaml
@@ -100,7 +100,7 @@ matrix-synapse:
   redis:
     enabled: false
   externalRedis:
-    host: matrix-synapse-valkey-master
+    host: matrix-synapse-valkey-primary
     port: 6379
     existingSecret: matrix-synapse-redis-secret
     existingSecretPasswordKey: password