diff --git a/docker-compose/prometheus/prometheus.yml b/docker-compose/prometheus/prometheus.yml
index 32746772773146e4b356c8c019e41c5356fecfd1..7de43ddc8d8e6bc779822cf8978ea049b2861432 100644
--- a/docker-compose/prometheus/prometheus.yml
+++ b/docker-compose/prometheus/prometheus.yml
@@ -6,11 +6,13 @@ global:
 scrape_configs:
   - job_name: tango
     static_configs:
-      - targets:
-        - "tango-prometheus-exporter:8000"
+      - targets: ["tango-prometheus-exporter:8000"]
+        labels:
+          "host": "localhost"
 
   - job_name: host
     scrape_interval: 60s
     static_configs:
-      - targets:
-        - "host.docker.internal:9100"
+      - targets: ["host.docker.internal:9100"]
+        labels:
+          "host": "localhost"