diff --git a/src/main.c b/src/main.c
index 4e7d065..27e1d06 100644
--- a/src/main.c
+++ b/src/main.c
@@ -102,7 +102,7 @@ void castRay(s16 angle){
   while(dof<8){
     mx = fix16ToInt(rx) / 10;
     my = fix16ToInt(ry) / 10;
-    if(mx >=0 && my >= 0 && mx < 10 && my < 10 && map[my][mx] == 1){
+    if(mx < 10 && my < 10 && map[my][mx] == 1){
       dof = 8;
       vx = rx;
       vy = ry;