diff --git a/backend/gestion/db/db_parrain.go b/backend/gestion/db/db_parrain.go
index 98663bf9..e668c3f7 100644
--- a/backend/gestion/db/db_parrain.go
+++ b/backend/gestion/db/db_parrain.go
@@ -21,7 +21,7 @@ func (d *Database) SetClientParrain(clientUsername, parrainUsername string) erro
 func (d *Database) GetClientParrain(clientUsername string) (string, error) {
 	var parrain string
 	err := d.GDB.Table("clients").
-		Select("parrain").
+		Select("COALESCE(parrain, '')").
 		Where("username = ?", clientUsername).
 		Scan(&parrain).Error
 	return parrain, err