diff --git a/kubernetes/loculus/templates/lapis-ingress.yaml b/kubernetes/loculus/templates/lapis-ingress.yaml
index fbfc50d79..a7746f0d9 100644
--- a/kubernetes/loculus/templates/lapis-ingress.yaml
+++ b/kubernetes/loculus/templates/lapis-ingress.yaml
@@ -5,7 +5,7 @@ kind: Ingress
 metadata:
   name: lapis-ingress
   annotations:
-    traefik.ingress.kubernetes.io/router.middlewares: "{{- $first := true }}{{- range $key, $_ := $.Values.instances }}{{ if $first }}{{ $first = false }}{{ else }},{{ end }}strip-{{ $key }}-prefix@kubernetescrd{{- end }}"
+    traefik.ingress.kubernetes.io/router.middlewares: "{{- $first := true }}{{- range $key, $_ := $.Values.instances }}{{ if $first }}{{ $first = false }}{{ else }},{{ end }}{{ $.Release.Namespace }}-strip-{{ $key }}-prefix@kubernetescrd{{- end }}"
 spec:
   rules:
   - host: {{ if eq $.Values.environment "server" }}{{ $lapisHost }}{{ end }}
@@ -40,4 +40,4 @@ spec:
   stripPrefix:
     prefixes:
       - /{{ $key }}/
-{{- end }}
+{{- end }}
\ No newline at end of file