diff --git a/tests/test_translations.py b/tests/test_translations.py
index 0c4d759c..ba4437eb 100644
--- a/tests/test_translations.py
+++ b/tests/test_translations.py
@@ -128,7 +128,7 @@ def test_langcode_country(dir: str):
 
 
 def parse_language_headers(file):
-    with open(file, "rt") as fh:
+    with open(file, "rt", encoding="utf-8") as fh:
         sections = {}
         section = None
         for line in fh: