diff --git a/flaschengeist/models/__init__.py b/flaschengeist/models/__init__.py
index f4ab8ec..8cf3850 100644
--- a/flaschengeist/models/__init__.py
+++ b/flaschengeist/models/__init__.py
@@ -48,7 +48,7 @@ class Serial(TypeDecorator):
     """Same as MariaDB Serial used for IDs"""
 
     cache_ok = True
-    impl = BigInteger().with_variant(mysql.BIGINT(unsigned=True), "mysql").with_variant(sqlite.INTEGER, "sqlite")
+    impl = BigInteger().with_variant(mysql.BIGINT(unsigned=True), "mysql").with_variant(sqlite.INTEGER(), "sqlite")
 
 
 class UtcDateTime(TypeDecorator):
diff --git a/tests/conftest.py b/tests/conftest.py
index fb02e05..e5f798f 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -31,7 +31,7 @@ def app():
     with app.app_context():
         database.db.create_all()
         database.db.session.commit()
-        
+
         engine = database.db.engine
         with engine.connect() as connection:
             for statement in _data_sql: