diff --git a/src/tests/test_conversion/test_db/test_db.py b/src/tests/test_conversion/test_db/test_db.py
index c016f835c7199ea6e700c643f29fc4c21c3b2346..35036e0691adf8a086652db42e50312d491bbe1c 100644
--- a/src/tests/test_conversion/test_db/test_db.py
+++ b/src/tests/test_conversion/test_db/test_db.py
@@ -5,7 +5,7 @@ import numpy as np
 from openqlab.conversion import db
 
 
-class TestModematching(unittest.TestCase):
+class TestDB(unittest.TestCase):
     def test_db_to_lin(self):
         self.assertAlmostEqual(db.to_lin(20), 100)
         self.assertAlmostEqual(db.to_lin(100), 1e10)