diff --git a/charts/matrix-synapse/templates/worker-configuration.yaml b/charts/matrix-synapse/templates/worker-configuration.yaml
index 7e6d5a4..accc7b9 100644
--- a/charts/matrix-synapse/templates/worker-configuration.yaml
+++ b/charts/matrix-synapse/templates/worker-configuration.yaml
@@ -23,7 +23,7 @@ data:
   {{ $name }}.worker: |
     worker_app: "synapse.app.{{ (not (not $config.generic)) | ternary "generic_worker" $worker }}"
 {{- if $config.name -}}
-{{-   if (ne $config.replicaCount 1) -}}
+{{-   if (gt ($config.replicaCount | int) 1) -}}
 {{-     fail "Replica count must be 1 if a worker has a unique name." -}}
 {{-   end }}
     worker_name: {{ $config.name }}