diff --git a/clusters/cl01tl/manifests/rayflume/Deployment-rayflume.yaml b/clusters/cl01tl/manifests/rayflume/Deployment-rayflume.yaml
index 65225ac98..68d2a7491 100644
--- a/clusters/cl01tl/manifests/rayflume/Deployment-rayflume.yaml
+++ b/clusters/cl01tl/manifests/rayflume/Deployment-rayflume.yaml
@@ -38,7 +38,7 @@ spec:
             - name: DEBUG
               value: "true"
             - name: ALLOWED_HOSTS
-              value: rayflume.alexlebens.net rayflume.rayflume
+              value: rayflume.alexlebens.net,rayflume.rayflume
             - name: SECRET_KEY
               valueFrom:
                 secretKeyRef: