diff --git a/tests/test_main.py b/tests/test_main.py
index 39af97f..66ffa21 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -27,12 +27,13 @@ def test_debug_exception_handler():
     from unittest.mock import patch, MagicMock
     
     mock_tb = MagicMock()
+    exc_val = ValueError("test error")
     with patch("traceback.print_exception") as mock_print, \
          patch("pdb.post_mortem") as mock_pm:
          
-        debug_exception_handler(ValueError, ValueError("test error"), mock_tb)
+        debug_exception_handler(ValueError, exc_val, mock_tb)
         
-        mock_print.assert_called_once_with(ValueError, ValueError("test error"), mock_tb)
+        mock_print.assert_called_once_with(ValueError, exc_val, mock_tb)
         mock_pm.assert_called_once_with(mock_tb)
 # }}}