diff --git a/e2e/_suites/metricbeat/metricbeat_test.go b/e2e/_suites/metricbeat/metricbeat_test.go
index b37d4b9736..9e48ec53f8 100644
--- a/e2e/_suites/metricbeat/metricbeat_test.go
+++ b/e2e/_suites/metricbeat/metricbeat_test.go
@@ -246,14 +246,14 @@ func (mts *MetricbeatTestSuite) installedAndConfiguredForVariantModule(serviceVa
 }
 
 func (mts *MetricbeatTestSuite) installedUsingConfiguration(configuration string) error {
-	if strings.HasPrefix(metricbeatVersion, "pr-") {
-		metricbeatVersion = metricbeatVersionBase
-	}
-
 	// at this point we have everything to define the index name
 	mts.Version = metricbeatVersion
 	mts.setIndexName()
 
+	if strings.HasPrefix(metricbeatVersion, "pr-") {
+		metricbeatVersion = metricbeatVersionBase
+	}
+
 	// use master branch for snapshots
 	tag := "v" + metricbeatVersion
 	if strings.Contains(metricbeatVersion, "SNAPSHOT") {