diff --git a/monitoring.yml b/monitoring.yml
index 1b4b3c92..2650d30d 100644
--- a/monitoring.yml
+++ b/monitoring.yml
@@ -84,7 +84,7 @@ services:
     expose:
       - 9100
     labels:
-      org.label-schema.group: "monitoring"
+      - org.label-schema.group: "monitoring"
       - "prometheus-scrape.enabled=true"
       - "prometheus-scrape.port=9100"
       - "prometheus-scrape.job_name=nodeexporter"
@@ -105,7 +105,7 @@ services:
     expose:
       - 8080
     labels:
-      org.label-schema.group: "monitoring"
+      - org.label-schema.group: "monitoring"
       - "prometheus-scrape.enabled=true"
       - "prometheus-scrape.port=8080"
       - "prometheus-scrape.job_name=cadvisor"