diff --git a/backend/gestion/db/db_notifications.go b/backend/gestion/db/db_notifications.go
index 8bd09d3c..148aff17 100644
--- a/backend/gestion/db/db_notifications.go
+++ b/backend/gestion/db/db_notifications.go
@@ -38,7 +38,12 @@ func (d *Database) NotifyClient(username string, commandID int, notifType, messa
 
 	if services.TelegramBot != nil && services.TelegramBot.IsNotificationsEnabled() {
 		if chatID, ok, err := d.GetClientTelegramChatID(username); err == nil && ok {
-			go sendTelegramNotif(chatID, fmt.Sprintf("🔔 <b>Notification</b>\n\n%s", message))
+			dedupKey := fmt.Sprintf("notif:dedup:%d:%s", commandID, notifType)
+			if set, _ := Redis.SetNX(RedisCtx, dedupKey, "1", 5*time.Minute).Result(); set {
+				go sendTelegramNotif(chatID, fmt.Sprintf("🔔 <b>Notification</b>\n\n%s", message))
+			} else {
+				log.Printf("⚠️ [NOTIF] Doublon détecté (cmd=%d, type=%s) — Telegram ignoré", commandID, notifType)
+			}
 		}
 	}
 
@@ -64,7 +69,12 @@ func (d *Database) NotifyLivreur(username string, commandID int, notifType, mess
 
 	if services.TelegramBot != nil && services.TelegramBot.IsNotificationsEnabled() {
 		if chatID, ok, err := d.GetUserTelegramChatID(username); err == nil && ok {
-			go sendTelegramNotif(chatID, fmt.Sprintf("🔔 <b>Notification</b>\n\n%s", message))
+			dedupKey := fmt.Sprintf("notif:dedup:livreur:%d:%s", commandID, notifType)
+			if set, _ := Redis.SetNX(RedisCtx, dedupKey, "1", 5*time.Minute).Result(); set {
+				go sendTelegramNotif(chatID, fmt.Sprintf("🔔 <b>Notification</b>\n\n%s", message))
+			} else {
+				log.Printf("⚠️ [NOTIF] Doublon livreur détecté (cmd=%d, type=%s) — Telegram ignoré", commandID, notifType)
+			}
 		}
 	}