diff --git a/alembic/versions/f549c7cee17c_remove_workspaces_task_order_association.py b/alembic/versions/f549c7cee17c_remove_workspaces_task_order_association.py
index 7b57cfb9..7bf2069e 100644
--- a/alembic/versions/f549c7cee17c_remove_workspaces_task_order_association.py
+++ b/alembic/versions/f549c7cee17c_remove_workspaces_task_order_association.py
@@ -25,6 +25,6 @@ def upgrade():
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('workspaces', sa.Column('task_order_id', sa.INTEGER(), autoincrement=False, nullable=False))
+    op.add_column('workspaces', sa.Column('task_order_id', sa.INTEGER(), autoincrement=False))
     op.create_foreign_key('workspaces_task_order_id_fkey', 'workspaces', 'task_order', ['task_order_id'], ['id'])
     # ### end Alembic commands ###