diff --git a/data/dataclient.go b/data/dataclient.go
index 8715e89..92c1de0 100644
--- a/data/dataclient.go
+++ b/data/dataclient.go
@@ -79,20 +79,18 @@ func (d *DataClient) InsertTransactions(transactions []models.Transaction) ([]mo
 	// Start transaction
 	tx, err := d.DB.Beginx()
 	if err != nil {
-		tx.Rollback()
 		return rowsInserted, err
 	}
+	defer tx.Rollback()
 
 	for _, transaction := range transactions {
 		// Check values
 		if transaction.MembreID == "" {
-			tx.Rollback()
 			return rowsInserted, errors.New("Impossible d'insérer une transaction sans membre_id")
 		}
 
 		rows, err := tx.NamedQuery("INSERT INTO transactions (membre_id, given_at, is_perpetual) VALUES (:membre_id, current_timestamp, :is_perpetual) RETURNING id, membre_id, is_perpetual;", &transaction)
 		if err != nil {
-			tx.Rollback()
 			return rowsInserted, err
 		}
 		defer rows.Close()
@@ -100,7 +98,6 @@ func (d *DataClient) InsertTransactions(transactions []models.Transaction) ([]mo
 		for rows.Next() {
 			var transactionRow models.Transaction
 			if err := rows.Scan(&transactionRow.ID, &transactionRow.MembreID, &transactionRow.IsPerpetual); err != nil {
-				tx.Rollback()
 				return rowsInserted, err
 			}