diff --git a/pkg/ddl/ddl_worker.go b/pkg/ddl/ddl_worker.go
index d3dea0240c..948b649609 100644
--- a/pkg/ddl/ddl_worker.go
+++ b/pkg/ddl/ddl_worker.go
@@ -946,6 +946,7 @@ func (w *worker) HandleDDLJobTable(d *ddlCtx, job *model.Job) (int64, error) {
 	}
 
 	if err = w.checkOwnerBeforeCommit(); err != nil {
+		d.unlockSchemaVersion(job.ID)
 		return 0, err
 	}