diff --git a/alert-policies/prometheus-agent/DupMetrics.yml b/alert-policies/prometheus-agent/DupMetrics.yml
index cbd754d918..9c814950bd 100644
--- a/alert-policies/prometheus-agent/DupMetrics.yml
+++ b/alert-policies/prometheus-agent/DupMetrics.yml
@@ -4,7 +4,7 @@ description: |+
   This alert is triggered if two or more jobs scraping the same instance in the same cluster.
 type: STATIC
 nrql:
-  query: "FROM Metric select uniqueCount(job) facet instance, cluster_name"
+  query: "FROM Metric select uniqueCount(job) WHERE metricName LIKE 'prometheus%' facet instance, cluster_name"
 
 # Function used to aggregate the NRQL query value(s) for comparison to the terms.threshold (Default: SINGLE_VALUE)
 valueFunction: SINGLE_VALUE