diff --git a/v4/data/data.go b/v4/data/data.go
index db8addb..4572dea 100644
--- a/v4/data/data.go
+++ b/v4/data/data.go
@@ -1,6 +1,7 @@
 package data
 
 import (
+	"errors"
 	"fmt"
 
 	"git.agecem.com/agecem/bottin/v4/models"
@@ -68,12 +69,23 @@ func (d *DataClient) InsertMembres(membres []models.Membre) (int64, error) {
 	}
 
 	for _, membre := range membres {
-		_, err := tx.NamedExec("INSERT INTO membres (id, last_name, first_name, prefered_name, programme_id) VALUES (:id, :last_name, :first_name, :prefered_name, :programme_id);", &membre)
+		if membre.ID == "" {
+			tx.Rollback()
+			return 0, errors.New("Cannot insert membre with no membre_id")
+		}
+		result, err := tx.NamedExec("INSERT INTO membres (id, last_name, first_name, prefered_name, programme_id) VALUES (:id, :last_name, :first_name, :prefered_name, :programme_id);", &membre)
 		if err != nil {
 			tx.Rollback()
-			return rowsInserted, err
+			return 0, err
 		}
-		rowsInserted++
+
+		rows, err := result.RowsAffected()
+		if err != nil {
+			tx.Rollback()
+			return 0, err
+		}
+
+		rowsInserted += rows
 	}
 
 	err = tx.Commit()
@@ -93,12 +105,24 @@ func (d *DataClient) InsertProgrammes(programmes []models.Programme) (int64, err
 	}
 
 	for _, programme := range programmes {
-		_, err := tx.NamedExec("INSERT INTO programmes (id, titre) VALUES (:id, :titre);", &programme)
+		if programme.ID == "" {
+			tx.Rollback()
+			return 0, errors.New("Cannot insert programme with no programme_id")
+		}
+
+		result, err := tx.NamedExec("INSERT INTO programmes (id, titre) VALUES (:id, :titre);", &programme)
 		if err != nil {
 			tx.Rollback()
-			return rowsInserted, err
+			return 0, err
 		}
-		rowsInserted++
+
+		rows, err := result.RowsAffected()
+		if err != nil {
+			tx.Rollback()
+			return 0, err
+		}
+
+		rowsInserted += rows
 	}
 
 	err = tx.Commit()