diff --git a/backend/src/controllers/permanence.controller.ts b/backend/src/controllers/permanence.controller.ts
index 7bad452..5aee1f9 100644
--- a/backend/src/controllers/permanence.controller.ts
+++ b/backend/src/controllers/permanence.controller.ts
@@ -374,7 +374,7 @@ export const sendHourlyNotificationToUsers: AppRequestHandler = async (_req, res
         return;
     }
 
-    permanence_service.sendNotifications(notifications);
+    await permanence_service.sendNotifications(notifications);
 
     Ok(res, { msg: 'Notifications horaires envoyées avec succès' });
 };
diff --git a/backend/src/services/permanence.service.ts b/backend/src/services/permanence.service.ts
index c326664..6f182db 100644
--- a/backend/src/services/permanence.service.ts
+++ b/backend/src/services/permanence.service.ts
@@ -441,8 +441,8 @@ export const getDailyNotifications = async (): Promise<Notification[]> => {
 export const getHourlyNotifications = async (): Promise<Notification[]> => {
     const permanences = await db.query.permanenceSchema.findMany({
         where: sql`
-            ${permanenceSchema.start_at} >= date_trunc('hour', now()) + interval '1 hour'
-            AND ${permanenceSchema.start_at} < date_trunc('hour', now()) + interval '2 hour'
+            ${permanenceSchema.start_at} >= now() + interval '1 hour'
+            AND ${permanenceSchema.start_at} < now() + interval '1 hour 5 minutes'
         `,
         orderBy: permanenceSchema.start_at,
     });