diff --git a/tests/test_cbleak.py b/tests/test_cbleak.py
index ad35a10..55af9ae 100644
--- a/tests/test_cbleak.py
+++ b/tests/test_cbleak.py
@@ -45,7 +45,7 @@ class BleakDriverTest(unittest.TestCase):
         driver.write(handle, data)
         time.sleep(0.5)  # processing time
         self.assertEqual(handle, last_response[0], 'Verifying response handle')
-        self.assertEqual(data, last_response[1], 'Verifying response data')
+        self.assertEqual(bytes(data), last_response[1], 'Verifying response data')
 
         driver.disconnect()
         time.sleep(0.5)  # processing time