diff --git a/unittest/test_load.py b/unittest/test_load.py
index fc85d6d3a6644ba9f4c247535261bb80cc14d476..806375eb4a15241700a932de0046baf2dfa46d00 100755
--- a/unittest/test_load.py
+++ b/unittest/test_load.py
@@ -32,6 +32,9 @@ class RobotTestCase(unittest.TestCase):
                 self.assertIn(joint[12].decode(), one_kg_bodies)
         pybullet.disconnect(client_id)
 
+    def test_b1(self):
+        self.check("b1", 19, 18)
+
     def test_go1(self):
         self.check("go1", 19, 18)