diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index 0c32d05aa6ea..4fd0e102ebda 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -212,6 +212,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Groups same timestamp metric values to one event in the app_insights metricset. {pull}20403[20403]
 - `beat` module respects `basepath` config option. {pull}28162[28162]
 - Fix list_docker.go {pull}28374[28374]
+- Fix rds metadata in cloudwatch metricset. {pull}29106[29106]
 
 *Packetbeat*
 
diff --git a/x-pack/metricbeat/module/aws/cloudwatch/metadata/rds/rds.go b/x-pack/metricbeat/module/aws/cloudwatch/metadata/rds/rds.go
index c74234af7ce9..e732749d0162 100644
--- a/x-pack/metricbeat/module/aws/cloudwatch/metadata/rds/rds.go
+++ b/x-pack/metricbeat/module/aws/cloudwatch/metadata/rds/rds.go
@@ -87,7 +87,8 @@ func getDBInstancesPerRegion(svc rdsiface.ClientAPI) (map[string]*rds.DBInstance
 
 	instancesOutputs := map[string]*rds.DBInstance{}
 	for _, dbInstance := range output.DBInstances {
-		instancesOutputs[*dbInstance.DBInstanceIdentifier] = &dbInstance
+		instance := dbInstance
+		instancesOutputs[*instance.DBInstanceIdentifier] = &instance
 	}
 	return instancesOutputs, nil
 }