diff --git a/tp7.py b/tp7.py
index 73f718e..cee7cec 100644
--- a/tp7.py
+++ b/tp7.py
@@ -140,8 +140,8 @@ def exercice2():
     g = lambda x, y: 1
     g2 = lambda x, y: np.exp(-x ** 2 - y ** 2)
 
-    ig = monte_carlo_2d(g, a=0, b=1, c=0, d=1, n=10_000)
-    ig2 = monte_carlo_2d(g2, a=0, b=1, c=0, d=1, n=10_000)
+    ig = monte_carlo_2d(g, a=-1, b=1, c=-1, d=1, n=10_000)
+    ig2 = monte_carlo_2d(g2, a=-1, b=1, c=-1, d=1, n=10_000)
     print(f'I (g) = {ig}, I (g2) = {ig2}')