diff --git a/test/e2e/federation-util-14.go b/test/e2e/federation-util-14.go
index 4a44814ba6b..1326ed4fe8d 100644
--- a/test/e2e/federation-util-14.go
+++ b/test/e2e/federation-util-14.go
@@ -94,7 +94,7 @@ func buildClustersOrFail_14(f *framework.Framework) []*federation_api.Cluster {
 	}
 	result := make([]*federation_api.Cluster, 0, len(contexts))
 	for i := range clusterList.Items {
-		result[i] = &clusterList.Items[i]
+		result = append(result, &clusterList.Items[i])
 	}
 	return result
 }