diff --git a/index/index_test.go b/index/index_test.go
index e0bccb97b..1e37380eb 100644
--- a/index/index_test.go
+++ b/index/index_test.go
@@ -43,7 +43,7 @@ func TestWriteJSONNonleafRows(t *testing.T) {
 	if len(metrics) != 3 {
 		t.Fatalf("Wrong metrics slice length = %d: %s", len(metrics), metrics)
 	}
-	if metrics[0] != "testing.leaf" || metrics[1] != "testing.leaf.node" {
+	if metrics[0] != "testing.leaf" || metrics[1] != "testing.leaf.node" || metrics[2] != "testing.\"broken\".node" {
 		t.Fatalf("Wrong metrics contents: %s", metrics)
 	}
 }