diff --git a/test/libcxx/test/config.py b/test/libcxx/test/config.py
index 1ec1d1f7..554b6bb7 100644
--- a/test/libcxx/test/config.py
+++ b/test/libcxx/test/config.py
@@ -217,7 +217,7 @@ class Configuration(object):
                 'en_US.UTF-8': 'en_US.UTF-8',
                 'cs_CZ.ISO8859-2': 'cs_CZ.ISO8859-2',
                 'fr_FR.UTF-8': 'fr_FR.UTF-8',
-                'fr_CA.ISO8859-1': 'cs_CZ.ISO8859-1',
+                'fr_CA.ISO8859-1': 'fr_CA.ISO8859-1',
                 'ru_RU.UTF-8': 'ru_RU.UTF-8',
                 'zh_CN.UTF-8': 'zh_CN.UTF-8',
             },