diff --git a/selfdrive/car/toyota/tests/test_toyota.py b/selfdrive/car/toyota/tests/test_toyota.py
index c29eae870d..67c9f0d92c 100755
--- a/selfdrive/car/toyota/tests/test_toyota.py
+++ b/selfdrive/car/toyota/tests/test_toyota.py
@@ -138,8 +138,9 @@ class TestToyotaFingerprint(unittest.TestCase):
       if len(matches) == 1:
         self.assertEqual(list(matches)[0], platform)
       else:
+        # If a platform has multiple matches, add it and its matches
         print('matches', platform, matches)
-        platforms_with_shared_codes.add(platform)
+        platforms_with_shared_codes |= {platform, *matches}
 
     print(len(platforms_with_shared_codes), len(FUZZY_EXCLUDED_PLATFORMS))
     self.assertEqual(platforms_with_shared_codes, FUZZY_EXCLUDED_PLATFORMS, (len(platforms_with_shared_codes), len(FW_VERSIONS)))