diff --git a/tests/fixtures.py b/tests/fixtures.py
index f598d94..562b753 100644
--- a/tests/fixtures.py
+++ b/tests/fixtures.py
@@ -9,7 +9,7 @@ def fakedb(tmp_path):
     """Create a temporary pho-database (fakedb) for testing fields"""
 
     sqlite = peewee.SqliteDatabase(
-        tmp_path / f"{uuid.uuid4()}.db",
+        str(tmp_path / f"{uuid.uuid4()}.db"),
         pragmas={
             "journal_mode": "wal",
             "cache_size": -1 * 64000,