diff --git a/tests/cogs/test_trivia.py b/tests/cogs/test_trivia.py
index 528c74304..3c0fef1a0 100644
--- a/tests/cogs/test_trivia.py
+++ b/tests/cogs/test_trivia.py
@@ -8,7 +8,7 @@ def test_trivia_lists():
     assert list_names
     problem_lists = []
     for l in list_names:
-        with l.open() as f:
+        with l.open(encoding="utf-8") as f:
             try:
                 dict_ = yaml.safe_load(f)
             except yaml.error.YAMLError as e: