diff --git a/tests/conftest.py b/tests/conftest.py
index baa3c87..5bd4e67 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -53,6 +53,10 @@ def disable_rate_limiting():
 def engine():
     """Sync in-memory SQLite engine for model unit tests."""
     eng = create_engine("sqlite:///:memory:")
+    from cartsnitch_api.models.user import User
+
+    col = User.__table__.columns["email_inbound_token"]
+    col.server_default = None
     Base.metadata.create_all(eng)
     yield eng
     eng.dispose()
@@ -77,6 +81,9 @@ async def db_engine():
         cursor.close()
 
     async with engine.begin() as conn:
+        from cartsnitch_api.models.user import User
+
+        User.__table__.columns["email_inbound_token"].server_default = None
         await conn.run_sync(Base.metadata.create_all)
         # Create Better-Auth tables (not managed by SQLAlchemy models)
         await conn.execute(