diff --git a/ext/crlib b/ext/crlib
index c722157..9cac79a 160000
--- a/ext/crlib
+++ b/ext/crlib
@@ -1 +1 @@
-Subproject commit c72215707a9be44eb2582b82a90a4a7f27a9f2e1
+Subproject commit 9cac79adde707f5e5ab21ff74ff372d51659a304
diff --git a/inc/graph.h b/inc/graph.h
index 48576f6..182afa4 100644
--- a/inc/graph.h
+++ b/inc/graph.h
@@ -269,7 +269,7 @@ public:
 
 public:
   int32_t getMaxRouteLength () const {
-     return length () / 2;
+     return (length () / 2) + (kMaxNodes / 256);
    }
 
    StringRef getAuthor () const {
diff --git a/inc/yapb.h b/inc/yapb.h
index 1cb06eb..e27d9c9 100644
--- a/inc/yapb.h
+++ b/inc/yapb.h
@@ -189,7 +189,8 @@ public:
    }
 
    void init (int32_t length) {
-      m_path = cr::makeUnique <int32_t[]> (length);
+      const auto allocSize = static_cast <uint32_t> (length);
+      m_path = cr::makeUnique <int32_t[]> (allocSize);
    }
 };