diff --git a/api/models/workflow.py b/api/models/workflow.py
index a92faf390f..e868fb77a7 100644
--- a/api/models/workflow.py
+++ b/api/models/workflow.py
@@ -437,12 +437,12 @@ class WorkflowRun(Base):
     error: Mapped[Optional[str]] = mapped_column(db.Text)
     elapsed_time: Mapped[float] = mapped_column(db.Float, nullable=False, server_default=sa.text("0"))
     total_tokens: Mapped[int] = mapped_column(sa.BigInteger, server_default=sa.text("0"))
-    total_steps: Mapped[int] = mapped_column(db.Integer, server_default=db.text("0"))
+    total_steps: Mapped[int] = mapped_column(db.Integer, server_default=db.text("0"), nullable=True)
     created_by_role: Mapped[str] = mapped_column(db.String(255))  # account, end_user
     created_by: Mapped[str] = mapped_column(StringUUID, nullable=False)
     created_at: Mapped[datetime] = mapped_column(db.DateTime, nullable=False, server_default=func.current_timestamp())
     finished_at: Mapped[Optional[datetime]] = mapped_column(db.DateTime)
-    exceptions_count: Mapped[int] = mapped_column(db.Integer, server_default=db.text("0"))
+    exceptions_count: Mapped[int] = mapped_column(db.Integer, server_default=db.text("0"), nullable=True)
 
     @property
     def created_by_account(self):