diff --git a/tests/stub/datatypes/test_uuid.py b/tests/stub/datatypes/test_uuid.py
index a8a7271b..48b11500 100644
--- a/tests/stub/datatypes/test_uuid.py
+++ b/tests/stub/datatypes/test_uuid.py
@@ -140,7 +140,7 @@ def test_rejects_uuid_result(self):
         elif driver_name in ["javascript"]:
             self.assertIn("unknown packed", msg)
             self.assertIn("e0", msg)  # UUID PackStream type marker byte
-        elif driver_name in ["java"]:
+        elif driver_name in ["java", "ruby"]:
             self.assertIn("unknown packstream", msg)
             self.assertIn("e0", msg)  # UUID PackStream type marker byte
         elif driver_name in ["go"]: