diff --git a/pkg/util/splitable/update.go b/pkg/util/splitable/update.go
index 8a53092bc2..425948d69d 100644
--- a/pkg/util/splitable/update.go
+++ b/pkg/util/splitable/update.go
@@ -20,7 +20,7 @@ import (
 )
 
 func (t *SSplitTableSpec) InsertOrUpdate(dt interface{}) error {
-	return errors.ErrNotSupported
+	return t.Insert(dt)
 }
 
 func (t *SSplitTableSpec) Update(dt interface{}, onUpdate func() error) (sqlchemy.UpdateDiffs, error) {