diff --git a/tests/test_data_languages.py b/tests/test_data_languages.py
index 9d06abdd..72bbd328 100644
--- a/tests/test_data_languages.py
+++ b/tests/test_data_languages.py
@@ -83,7 +83,8 @@
     "tlh_Latn": "Klingon is an artifical language.",
 }
 
-LANGUAGE_NAME_REGEX = "^[A-Za-z'- ]+(ʼ)?(, [A-Za-z- ]+)?( [(][A-Za-z- ]+[)])?$"
+# "ʼ" allowed as last character in language name for Metaʼ
+LANGUAGE_NAME_REGEX = "^[-A-Za-z ]+(ʼ)?(, [-A-Za-z ]+)?( [(][-A-Za-z ]+[)])?$"
 
 
 @pytest.mark.parametrize("lang_code", LANGUAGES)