diff --git a/agentic_security/probe_actor/test_fuzzer.py b/agentic_security/probe_actor/test_fuzzer.py
index 4d21a62..e4c0662 100644
--- a/agentic_security/probe_actor/test_fuzzer.py
+++ b/agentic_security/probe_actor/test_fuzzer.py
@@ -279,4 +279,4 @@ class TestProcessPrompt(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(tokens, 0)
         self.assertTrue(refusal)
         self.assertEqual(len(errors), 1)
-        self.assertIn("Connection error", errors[0][2])
+        self.assertIn("Connection error", errors[0][3])