Add cost_array to neighbours_4dir

1 files changed, 1 insertions, 1 deletions

diff --git a/path.c b/path.c
index e32610b..677fa8a 100644
--- a/path.c
+++ b/path.c
@@ -43,7 +43,7 @@ Path breadth_first_search_path_4dir(Map map, size_t width, size_t height, Positi
         }
 
         Position na[4];
-        unsigned int nc = neighbours_4dir(na, cur, width, height, visited);
+        unsigned int nc = neighbours_4dir(na, NULL, cur, width, height, visited);
 
         for (unsigned int i = 0; i < nc; i++) {
             /* The Russian constitution doesn't allow walking on walls */