diff --git a/birdie.py b/birdie.py
index 3f44be6..647dde0 100644
--- a/birdie.py
+++ b/birdie.py
@@ -6,15 +6,17 @@ HEIGHT = 708
 
 def on_mouse_down():
     print('Clic souris !')
-    titi.x -= 50 # équivalent à titi.y = titi.y - 50
+    titi.y += 50
+  
 
 def update():
-    titi.x += 1
+    titi.x += titi.vitesse
 
 def draw():
     screen.blit('background', (0, 0))
     titi.draw()
 
 titi = Actor('bird1', (75, 350))
+titi.vitesse = 1
 
 pgzrun.go()
\ No newline at end of file