diff --git a/src/scenes/game.py b/src/scenes/game.py
index a7302fa..b30d352 100644
--- a/src/scenes/game.py
+++ b/src/scenes/game.py
@@ -180,8 +180,9 @@ class Bonus(Enum):
     REVERSE = 3
 
     @staticmethod
-    def aleatoire():
-        type = random.randint(0, 3)
+    def aleatoire(world: World):
+        max = 3 if world[GameMode] == GameMode.ONE else 2
+        type = random.randint(0, max)
         match type:
             case 0:
                 return Bonus.MULTI
@@ -324,7 +325,7 @@ def __spawn_ellements(world: World):
 
 
 def __spawn_bonus(world: World):
-    bonus = Bonus.aleatoire()
+    bonus = Bonus.aleatoire(world)
     world.new_entity().set(
         SpriteBundle(
             Bonus.get_texture(bonus),
@@ -369,7 +370,7 @@ def __spawn_ball(world: World):
 def __collision_with_ball(a: Entity, b: Entity):
     if Ball in a:
         a.world.new_entity().set(Sound("bound.mp3"))
-    if Player1 in b or Player2 in b:
+    if Player1 in b or Player2 in b and Ball in a:
         for player in a.world.query(LastPlayerTurn):
             del player[LastPlayerTurn]
         b.set(LastPlayerTurn())