diff --git a/engine/servermaster/server.go b/engine/servermaster/server.go
index aa6bddd08ba..cdf2e76b2d5 100644
--- a/engine/servermaster/server.go
+++ b/engine/servermaster/server.go
@@ -456,7 +456,7 @@ func (s *Server) initElector() error {
 		return errors.Errorf("failed to convert conn to *sql.DB, got %T", conn)
 	}
 
-	sqlStorage, err := election.NewSQLStorage(db, leaderElectionTable)
+	sqlStorage, err := election.NewORMStorageFromSQLDB(db, leaderElectionTable)
 	if err != nil {
 		return err
 	}
diff --git a/pkg/election/storage_orm.go b/pkg/election/storage_orm.go
index 1b21bc0bef4..fc1f383b670 100644
--- a/pkg/election/storage_orm.go
+++ b/pkg/election/storage_orm.go
@@ -15,10 +15,12 @@ package election
 
 import (
 	"context"
+	"database/sql"
 	"database/sql/driver"
 	"encoding/json"
 
 	"github.com/pingcap/log"
+	ormUtil "github.com/pingcap/tiflow/engine/pkg/orm"
 	"github.com/pingcap/tiflow/pkg/errors"
 	"gorm.io/gorm"
 )
@@ -70,6 +72,15 @@ type ORMStorage struct {
 	tableName string
 }
 
+// NewORMStorageFromSQLDB creates a new ORMStorage from sql.DB.
+func NewORMStorageFromSQLDB(backendDB *sql.DB, tableName string) (*ORMStorage, error) {
+	db, err := ormUtil.NewGormDB(backendDB, "mysql")
+	if err != nil {
+		return nil, err
+	}
+	return NewORMStorage(db, tableName)
+}
+
 // NewORMStorage creates a new ORMStorage.
 func NewORMStorage(db *gorm.DB, tableName string) (*ORMStorage, error) {
 	TableNameElection = tableName