diff --git a/explorer/tests/test_assistant.py b/explorer/tests/test_assistant.py
index 074caf9a..4fa6dc46 100644
--- a/explorer/tests/test_assistant.py
+++ b/explorer/tests/test_assistant.py
@@ -179,7 +179,7 @@ def test_truncates_long_binary_data(self):
         header, row = ret
 
         self.assertEqual(header, ["col1", "col2"])
-        self.assertEqual(row[0], b"a" * 500 + b"...")
+        self.assertEqual(row[0], b"a" * 200 + b"...")
         self.assertEqual(row[1], b"short binary")
 
     def test_handles_various_data_types(self):