diff --git a/g2p/tests/test_studio.py b/g2p/tests/test_studio.py
index 65a544df..e142ce7a 100755
--- a/g2p/tests/test_studio.py
+++ b/g2p/tests/test_studio.py
@@ -99,6 +99,8 @@ async def test_langs(self):
                 sample(range(len(langs_to_test)), k=len(langs_to_test) // 10)
             )
         ]
+        # Make sure we test at least one lexicon-based example
+        langs_to_test.append(["eng", "eng-arpabet", "hello", "HH AH L OW "])
 
         error_count = 0