diff --git a/cogs/pbchimera.py b/cogs/pbchimera.py
index 4511fed..c13120a 100644
--- a/cogs/pbchimera.py
+++ b/cogs/pbchimera.py
@@ -10,7 +10,7 @@ class Pbchimera(commands.Cog):
         self.bot = bot
 
     @commands.command(name="pbchimera")
-    async def pbchimera(self, ctx, arg1: str = None, arg2: str = None):
+    async def pbchimera(self, ctx, arg1: str = None, *, arg2: str = None):
         """Commande !pbchimera avec gestion des difficultés"""
         await handle_pb_command(ctx, 'chimera', arg1, arg2)
 
diff --git a/cogs/pbcvc.py b/cogs/pbcvc.py
index a5da460..ba9cd51 100644
--- a/cogs/pbcvc.py
+++ b/cogs/pbcvc.py
@@ -10,7 +10,7 @@ class Pbcvc(commands.Cog):
         self.bot = bot
 
     @commands.command(name="pbcvc")
-    async def pbcvc(self, ctx, target_user: str = None):
+    async def pbcvc(self, ctx, *, target_user: str = None):
         """Commande !pbcvc"""
         await handle_pb_command(ctx, 'cvc', target_user)
 
diff --git a/cogs/pbhydra.py b/cogs/pbhydra.py
index b1fecfa..1697912 100644
--- a/cogs/pbhydra.py
+++ b/cogs/pbhydra.py
@@ -10,7 +10,7 @@ class Pbhydra(commands.Cog):
         self.bot = bot
 
     @commands.command(name="pbhydra")
-    async def pbhydra(self, ctx, arg1: str = None, arg2: str = None):
+    async def pbhydra(self, ctx, arg1: str = None, *, arg2: str = None):
         """Commande !pbhydra avec gestion des difficultés"""
         await handle_pb_command(ctx, 'hydra', arg1, arg2)