diff --git a/ressources/good_maps/big_square.cub b/ressources/good_maps/big_square.cub
index d0021e4..030724d 100644
--- a/ressources/good_maps/big_square.cub
+++ b/ressources/good_maps/big_square.cub
@@ -25,7 +25,7 @@ C 225,30,0
 1000000000000000000000000000001
 1000000000000000000000000000001
 1000000000000000000000000000001
-10000000000000E0000000000000001
+10000000000000N0000000000000001
 1000000000000000000000000000001
 1000000000000000000000000000001
 1000000000000000000000000000001