diff --git a/swarm/prometheus/prometheus.yml b/swarm/prometheus/prometheus.yml
index e1f834f..f98e700 100644
--- a/swarm/prometheus/prometheus.yml
+++ b/swarm/prometheus/prometheus.yml
@@ -15,5 +15,5 @@ scrape_configs:
   # so 'traefik' resolves via Swarm DNS.
   - job_name: 'traefik'
     static_configs:
-      - targets: ['traefik:8080']
+      - targets: ['core_traefik:8080']
     metrics_path: /metrics