diff --git a/birdie.py b/birdie.py
index 7c4fca7..f462a52 100644
--- a/birdie.py
+++ b/birdie.py
@@ -7,12 +7,15 @@ def draw():
     screen.blit('background.png', (0,0))
     titi.draw()
 
-def on_mouse_down():
+def on_mouse_down(): 
     print('Clic souris !')
-    titi.x -= 50
+    titi.y -= 50
+    titi.speed = 0
+
+
 
 def update():
-    titi.x += titi.speed
+    titi.y += titi.speed