diff --git a/check50/__init__.py b/check50/__init__.py
index 6c6333c..5f05291 100644
--- a/check50/__init__.py
+++ b/check50/__init__.py
@@ -15,7 +15,7 @@ def _setup_translation():
     from importlib.resources import files
     global _translation
     _translation = gettext.translation(
-        "check50", files("check50").joinpath("locale"), fallback=True)
+        "check50", str(files("check50").joinpath("locale")), fallback=True)
     _translation.install()