diff --git a/tests/custom_exceptions_test.py b/tests/custom_exceptions_test.py
index 66a97cb..88388da 100644
--- a/tests/custom_exceptions_test.py
+++ b/tests/custom_exceptions_test.py
@@ -7,9 +7,19 @@ import backend.custom_exceptions
 
 class Test_Custom_Exceptions(unittest.TestCase):
 	def test_type(self):
-		defined_exceptions: List[Exception] = filter(lambda c: c.__module__ == 'backend.custom_exceptions', map(lambda c: c[1], getmembers(modules['backend.custom_exceptions'], isclass)))
+		defined_exceptions: List[Exception] = filter(
+			lambda c: c.__module__ == 'backend.custom_exceptions' and c is not backend.custom_exceptions.CustomException,
+			map(
+				lambda c: c[1],
+				getmembers(modules['backend.custom_exceptions'], isclass)
+			)
+		)
+
 		for defined_exception in defined_exceptions:
-			self.assertEqual(getmro(defined_exception)[1], Exception)
+			self.assertEqual(
+				getmro(defined_exception)[1],
+				backend.custom_exceptions.CustomException
+			)
 			result = defined_exception().api_response
 			self.assertIsInstance(result, dict)
 			result['error']