diff --git a/server/http_handler_test.go b/server/http_handler_test.go
index 03c3a846669f0..e47f8ce0fc87a 100644
--- a/server/http_handler_test.go
+++ b/server/http_handler_test.go
@@ -1198,7 +1198,9 @@ 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) {
@@ -1239,5 +1241,7 @@ 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{}
+	})
 }