diff --git a/A2/mask.py b/A2/mask.py
index b58bb238acb41f9d318b73a0b6d7cd69ce75f4c9..f322c4be7d52276dcddab11d95143016a13de151 100644
--- a/A2/mask.py
+++ b/A2/mask.py
@@ -46,7 +46,7 @@ class Mask(object):
         """
         return np.array(
             [[-5, -5, -5],
-             [1, 0, 3],
+             [3, 0, 3],
              [3, 3, 3]]
         )