diff --git a/neutron/db/migration/alembic_migrations/versions/557edfc53098_new_service_types.py b/neutron/db/migration/alembic_migrations/versions/557edfc53098_new_service_types.py
index cb93f6c9f5..daf9dbbffa 100644
--- a/neutron/db/migration/alembic_migrations/versions/557edfc53098_new_service_types.py
+++ b/neutron/db/migration/alembic_migrations/versions/557edfc53098_new_service_types.py
@@ -63,7 +63,7 @@ def downgrade(active_plugin=None, options=None):
         sa.Column('name', sa.String(255)),
         sa.Column('description', sa.String(255)),
         sa.Column('default', sa.Boolean(), nullable=False, default=False),
-        sa.Column('num_instances', sa.Column(sa.Integer(), default=0)),
+        sa.Column('num_instances', sa.Integer, default=0),
         sa.PrimaryKeyConstraint('id')
     )
     op.create_table(