diff --git a/src/modules/commandes.py b/src/modules/commandes.py
index c8f240e..67a610f 100644
--- a/src/modules/commandes.py
+++ b/src/modules/commandes.py
@@ -1,5 +1,5 @@
 from twitchio.ext import commands
-from utils.core import load
+from utils.core import load, listCommands
 from utils.commands import CommandesDB
 
 def prepare(client: commands.Bot):
@@ -19,7 +19,7 @@ class Commandes(commands.Cog): # Les méthodes qui ont no_global_checks de Vrai
         if commandName == None or commandMessage == None:
             return
         if ctx.author.is_mod:
-            if CommandesDB().existeCommande(commandName)[0] == False:
+            if CommandesDB().existeTouteCommande(self.client, commandName)[0] == False:
                 CommandesDB().ajoutCommande(commandName, commandMessage)
                 await ctx.send(f"@{ctx.author.name}, commande {commandName} ajoutée !")
             else:
@@ -46,19 +46,17 @@ class Commandes(commands.Cog): # Les méthodes qui ont no_global_checks de Vrai
         """Affiche la liste des commandes de la base de donnée du bot"""
         commandes = CommandesDB().listeCommande()
 
-        cogs = self.client.cogs.values()
-        for cog in cogs:
-            for command in cog.commands.values():
-                name = command.name
-                if command.no_global_checks:
-                    if not ctx.author.is_mod:
-                        continue
-                if command.aliases:
-                    name += " (alias: "
-                    for aliase in command.aliases:
-                        name += f"{self.keys['PREFIX']}{aliase}, "
-                    name = f"{name[:-2]})"
-                commandes.append((name,))
+        for command in listCommands(self.client):
+            name = command.name
+            if command.no_global_checks:
+                if not ctx.author.is_mod:
+                    continue
+            if command.aliases:
+                name += " (alias: "
+                for aliase in command.aliases:
+                    name += f"{self.keys['PREFIX']}{aliase}, "
+                name = f"{name[:-2]})"
+            commandes.append((name,))
 
         if len(commandes) > 0:
             message = f"@{ctx.author.name}, liste des commandes -> "
diff --git a/src/utils/commands.py b/src/utils/commands.py
index a31eea9..877df2e 100644
--- a/src/utils/commands.py
+++ b/src/utils/commands.py
@@ -1,4 +1,5 @@
 from utils.db import Database
+from utils.core import listCommands
 
 class CommandesDB(Database):
     def __init__(self):
@@ -44,3 +45,17 @@ class CommandesDB(Database):
             if commande[0] == command:
                 return (True, commande[1])
         return (False,)
+
+    def existeTouteCommande(self, client, commande: str):
+        commandes = []
+        for command in self.listeCommande():
+            commandes.append(command[0])
+        for command in listCommands(client):
+            commandes.append(command.name)
+            if command.aliases:
+                for comm in command.aliases:
+                    commandes.append(comm)
+        if commande in commandes:
+            return (True,)
+        return (False,)
+
diff --git a/src/utils/core.py b/src/utils/core.py
index 5c50c7d..4c81a7b 100644
--- a/src/utils/core.py
+++ b/src/utils/core.py
@@ -17,3 +17,11 @@ def load(variables):
             exit(1)
 
     return keys
+
+def listCommands(client):
+    cogs = client.cogs.values()
+    commands = []
+    for cog in cogs:
+        for command in cog.commands.values():
+            commands.append(command)
+    return commands