diff --git a/birdie.py b/birdie.py
index 1c5a7c7..0264ebc 100644
--- a/birdie.py
+++ b/birdie.py
@@ -18,12 +18,14 @@ def reset():
     tube_superieur.center = (300, 0)
     tube_inferieur.center = (300, tube_superieur.height + ecart)
     titi.vivant = True
+    titi.invincible = False
     titi.image = "bird1"
 
 def heurte_tube() :
     print ("Paf !")
-    titi.image = "birddead" # (oiseau mort)
-    titi.vivant = False
+    if titi.invincible==False:
+        titi.image = "birddead" # (oiseau mort)
+        titi.vivant = False
     
 def update():
     titi.speed += gravite