diff --git a/server/http_handler_test.go b/server/http_handler_test.go
index ecf578f4a0f6b..926a5d99b6997 100644
--- a/server/http_handler_test.go
+++ b/server/http_handler_test.go
@@ -1196,7 +1196,9 @@ func TestSetLabels(t *testing.T) {
 	testUpdateLabels(updated, labels)
 
 	// reset the global variable
-	config.GetGlobalConfig().Labels = map[string]string{}
+	config.UpdateGlobal(func(conf *config.Config) {
+		conf.Labels = map[string]string{}
+	})
 }
 
 func TestSetLabelsConcurrentWithGetLabel(t *testing.T) {
@@ -1237,5 +1239,7 @@ func TestSetLabelsConcurrentWithGetLabel(t *testing.T) {
 	close(done)
 
 	// reset the global variable
-	config.GetGlobalConfig().Labels = map[string]string{}
+	config.UpdateGlobal(func(conf *config.Config) {
+		conf.Labels = map[string]string{}
+	})
 }