diff --git a/machineACafe.py b/machineACafe.py
index a3533f7..6dccb04 100644
--- a/machineACafe.py
+++ b/machineACafe.py
@@ -32,7 +32,7 @@ async def on_ready():
 
 @client.event
 async def on_message(message):
-    
+
     ########################## PARTIE CAFE ###################################
 
     if (re.match("(.)*(cafe|café|kfé|kfe|kaf|caf|kawa)(.)*", message.content) and not message.author.bot):
@@ -60,7 +60,7 @@ async def on_message(message):
     ########################## PARTIE COURSES ###################################
     
     global state, messages, courreurs, parieurs
-    
+
     if (message.content == "$course" and not message.author.bot and state == 0):
         state+= 1
         messages["concurrents"] = await message.channel.send("Choisissez les émojis qui vont faire la course, ensuite envoyez $ready")
@@ -70,12 +70,12 @@ async def on_message(message):
         if (messages["concurrents"].reactions):
             state += 1
             messages["paris"] = await message.channel.send("Faites vos paris ! ensuite envoyez $start")
-            
+
             for reaction in messages["concurrents"].reactions:
-                
+
                 #montre les possibilités de vote
                 await messages["paris"].add_reaction(reaction)
-                
+
                 # création de la course
                 courreurs.append({ 'reaction': reaction, 'avance': 1, 'votes': [], 'course': None})
 
@@ -91,13 +91,13 @@ async def on_message(message):
             if not courreur["votes"]:
                 usersList = "Personne n'"
             for user in courreur["votes"]:
-                usersList += user.name + ", "
+                usersList += message.guild.get_member(user.id).nick + ", "
             await message.channel.send("{} a.ont parié.e.s pour {}".format(usersList, courreur["reaction"].emoji))
         # affichage de la course
         await message.channel.send("---------------------- Debut de la course ----------------------")
-        for courreur in courreurs:            
+        for courreur in courreurs:
             courreur["course"] = await message.channel.send(':triangular_flag_on_post:' + courreur["avance"] * " " + courreur["reaction"].emoji + (RACE_LENGTH - courreur["avance"]) * " " + ":checkered_flag:")
-            
+
         # on fait la course !!!
         while True:
             # on avance un courreur random
@@ -121,20 +121,19 @@ async def on_message(message):
             for parieur in podium[0]["votes"]:
                 c.execute(f'INSERT OR IGNORE INTO users VALUES ({parieur.id}, "{parieur.name}", 0, 0, 0);')
                 c.execute(f'UPDATE users SET balance = balance +  50, nbBets = nbBets + 1 WHERE id LIKE {parieur.id};')
-                await message.channel.send(f'{parieur.name} a gagné 50 tc-dollars')
+                await message.channel.send(f'{message.guild.get_member(parieur.id).nick} a gagné 50 tc-dollars')
 
             await message.channel.send(":second_place: " + podium[1]["reaction"].emoji)
             for parieur in podium[1]["votes"]:
                 c.execute(f'INSERT OR IGNORE INTO users VALUES ({parieur.id}, "{parieur.name}", 0, 0, 0);')
                 c.execute(f'UPDATE users SET balance = balance +  40, nbBets = nbBets + 1 WHERE id LIKE {parieur.id};')
-                await message.channel.send(f'{parieur.name} a gagné 40 tc-dollars')
+                await message.channel.send(f'{message.guild.get_member(parieur.id).nick} a gagné 40 tc-dollars')
 
             await message.channel.send(":third_place: " + podium[2]["reaction"].emoji)
             for parieur in podium[2]["votes"]:
                 c.execute(f'INSERT OR IGNORE INTO users VALUES ({parieur.id}, "{parieur.name}", 0, 0, 0);')
                 c.execute(f'UPDATE users SET balance = balance +  30, nbBets = nbBets + 1 WHERE id LIKE {parieur.id};')
-                await message.channel.send(f'{parieur.name} a gagné 30 tc-dollar')
-        
+                await message.channel.send(f'{message.guild.get_member(parieur.id).nick} a gagné 30 tc-dollar')
         finally:
             conn.commit() # udpate the changes in db
             state = 0 # back to normal state
@@ -147,7 +146,8 @@ async def on_message(message):
     elif(message.content == "$richiestboard" and state == 0 and not message.author.bot):
         await message.channel.send(":first_place: ---- Richiestboard ---- :first_place:")
         for index, row in enumerate(c.execute('SELECT * FROM users ORDER BY balance DESC LIMIT 10')):
-            await message.channel.send(f'{index + 1} --- {row[1]} avec {row[2]} tc-dollars')
+            await message.channel.send(
+                f'{index + 1} --- {message.guild.get_member(row[0]).nick} avec {row[2]} tc-dollars')
 
     elif(message.content == "$myscore" and state == 0 and not message.author.bot):
         c.execute(f'SELECT * FROM users WHERE id={message.author.id}')
@@ -159,12 +159,12 @@ async def on_message(message):
 
 @client.event
 async def on_reaction_add(reaction, user):
-    
+
     # * Working
     # stockage des reactions aux messages du bot
     if (reaction.message.id == messages["concurrents"].id and reaction not in messages["concurrents"].reactions):
         messages["concurrents"].reactions.append(reaction)
-    
+
     # stockage des paris
     if (state == 2 and reaction.message.id == messages["paris"].id and not user == client.user and user not in parieurs):
         for courreur in courreurs: # on evite les emojis qui ne sont pas en compet
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..18df8e5
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,17 @@
+aiohttp==3.6.2
+async-timeout==3.0.1
+attrs==20.2.0
+chardet==3.0.4
+discord==1.0.1
+discord.py==1.4.1
+discord.py-stubs==1.4.0.2
+idna==2.10
+idna-ssl==1.1.0
+install==1.3.3
+multidict==4.7.6
+mypy==0.782
+mypy-extensions==0.4.3
+python-dotenv==0.14.0
+typed-ast==1.4.1
+typing-extensions==3.7.4.3
+yarl==1.5.1