diff --git a/asmodee.py b/asmodee.py
index 3bf7137..dbdb39c 100755
--- a/asmodee.py
+++ b/asmodee.py
@@ -1473,14 +1473,14 @@ async def last(room,message): # Regarde la dernière fois que quelqu'un a écrit
 				await msg(room,"!last <mxid>",sender)
 			else:
 				pers=" ".join(args)
+			id_pers=None
 			try:
-				print(pers)
 				usrstats = stats[room.room_id,pers]
-				print(usrstats.nick)
 			except:
 				try:
 					for cle,valeur in room.users.items():
 						if (valeur.display_name == pers):
+							id_pers = valeur.user_id
 							try:
 								usrstats = stats[room.room_id, cle]
 							except:
@@ -1497,7 +1497,11 @@ async def last(room,message): # Regarde la dernière fois que quelqu'un a écrit
 				else:
 					await msg(room,"J'ai vu " + usrstats.nick + " poster pour la dernière fois le " + usrstats.date.strftime("%Y-%m-%d %H:%M:%S"),sender)
 			else:
-				target = room.users.get(pers)
+				target = None
+				if (id_pers is not None):
+					target = room.users.get(id_pers)
+				else:
+					target = room.users.get(pers)
 				if (target and target.last_active_ago is not None):
 					ago = datetime.fromtimestamp(datetime.now().timestamp() - target.last_active_ago/1000)
 					await msg(room,"Dernière présence de " + pers + " : " + ago.strftime("%Y-%m-%d %H:%M:%S"),sender)