diff --git a/birdie.py b/birdie.py
index 71c45df..eeeca59 100644
--- a/birdie.py
+++ b/birdie.py
@@ -6,7 +6,14 @@ HEIGHT = 708
 
 def on_mouse_down():
     print('Clic souris !')
-    titi.y -= 50
+    titi.speed = -6.5
+
+def reset():
+    print("Retour au départ...")
+    titi.speed = 1
+    titi.center = (75, 350)
+    tube_superieur.center = (300, 0)
+    tube_inferieur.center = (300, tube_superieur.height + ecart)
 
 def update():
     titi.y += titi.speed
@@ -15,6 +22,8 @@ def update():
     if tube_superieur.right < 0 :
         tube_superieur.left = WIDTH
         tube_inferieur.left = WIDTH
+    if titi.y > HEIGHT or titi.y < HEIGHT :
+        reset()
 
 def draw():
     screen.blit('background', (0, 0))