diff --git a/tests/test_evaluation/test_evaluator/test_multi_datasets_evaluator.py b/tests/test_evaluation/test_evaluator/test_multi_datasets_evaluator.py
index 2d8f6899..44f7c353 100644
--- a/tests/test_evaluation/test_evaluator/test_multi_datasets_evaluator.py
+++ b/tests/test_evaluation/test_evaluator/test_multi_datasets_evaluator.py
@@ -79,7 +79,7 @@ def generate_test_results(size, batch_size, pred, label):
 class TestMultiDatasetsEvaluator(TestCase):
 
     def test_composed_metrics(self):
-        DefaultScope.get_instance('mmocr', scope_name='mmocr')
+        DefaultScope.get_instance('mmocr_metric', scope_name='mmocr')
         cfg = [
             dict(type='ToyMetric'),
             dict(type='ToyMetric', dummy_metrics=dict(mAP=0.0))