diff --git a/helm/templates/shard-deployment.yaml b/helm/templates/shard-deployment.yaml
index 0b73dba..4ed4333 100644
--- a/helm/templates/shard-deployment.yaml
+++ b/helm/templates/shard-deployment.yaml
@@ -41,7 +41,7 @@ spec:
             - "--listen"
             - "0.0.0.0:{{ .Values.service.shard.targetPort }}"
             - "--core"
-            - "http://telemetry-core:{{ .Values.service.core.targetPort }}/shard_submit"
+            - "http://telemetry-core:{{ .Values.service.core.port }}/shard_submit"
           ports:
             - name: http
               containerPort: {{ .Values.service.shard.targetPort }}