1 files changed, 1 insertions, 0 deletions
diff --git a/src/dijkstra.cpp b/src/dijkstra.cpp
index c5efbd34..8dd8d97a 100644
--- a/src/dijkstra.cpp
+++ b/src/dijkstra.cpp
@@ -346,6 +346,7 @@ path_search_result astar::Dijkstra(world& w, const point from, const point to,
         }
         if (len)
         {
+            len = Math::min(len, std::size(buf)-1);
             std::fwrite(buf, len, 1, stdout);
             std::fflush(stdout);
         }