diff --git a/DS-B/routeplanner/main.c b/DS-B/routeplanner/main.c
index 47c2b75..dfbb423 100644
--- a/DS-B/routeplanner/main.c
+++ b/DS-B/routeplanner/main.c
@@ -89,7 +89,7 @@ int main(void) {
     }
 
 int isInBound(const cell *c) {
-    if (c -> x >= 0 && c -> x <= 13 && c -> y >= 0 && c -> y <= 13) {
+    if (c -> x >= 0 && c -> x <= 12 && c -> y >= 0 && c -> y <= 12) {
         return 1;
     }
     return 0;