diff --git a/src/backend/langflow/alembic/versions/d3749cf7ac7e_update_all_tables.py b/src/backend/langflow/alembic/versions/d3749cf7ac7e_update_all_tables.py
index e8f59089c..27664d8b7 100644
--- a/src/backend/langflow/alembic/versions/d3749cf7ac7e_update_all_tables.py
+++ b/src/backend/langflow/alembic/versions/d3749cf7ac7e_update_all_tables.py
@@ -37,7 +37,7 @@ def upgrade() -> None:
         op.drop_column("apikey", "create_at")
     with contextlib.suppress(sa.exc.OperationalError):
         op.add_column(
-            "flow", sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=False)
+            "flow", sa.Column("user_id", sqlmodel.sql.sqltypes.GUID(), nullable=True)
         )
         op.create_index(op.f("ix_flow_user_id"), "flow", ["user_id"], unique=False)
         op.create_foreign_key(None, "flow", "user", ["user_id"], ["id"])