diff --git a/src/main/resources/texture_sheet_wall_mapping.txt b/src/main/resources/texture_sheet_wall_mapping.txt
index 646c71d..2c8ce61 100644
--- a/src/main/resources/texture_sheet_wall_mapping.txt
+++ b/src/main/resources/texture_sheet_wall_mapping.txt
@@ -1,4 +1,4 @@
 WALL_NORMAL 6 3 6 2 4 3 5 3
-WALL_CORNER 7 0 7 1 7 3 7 2
+WALL_CORNER 7 1 7 0 7 3 7 2
 WALL_LASER_SINGLE 4 5 5 5 4 4 5 4
-WALL_LASER_DOUBLE 5 11 6 11 6 10 5 11
\ No newline at end of file
+WALL_LASER_DOUBLE 5 11 6 11 6 10 4 11
\ No newline at end of file