diff --git a/src/misc/binaryheap.hpp b/src/misc/binaryheap.hpp
index 85dc202f0b..073d246381 100644
--- a/src/misc/binaryheap.hpp
+++ b/src/misc/binaryheap.hpp
@@ -40,7 +40,7 @@ private:
 	ItemPtr                *m_items;    ///< The heap item pointers
 
 public:
-	explicit CBinaryHeapT(int max_items = 102400)
+	explicit CBinaryHeapT(int max_items)
 		: m_size(0)
 		, m_max_size(max_items)
 	{
diff --git a/src/pathfinder/yapf/nodelist.hpp b/src/pathfinder/yapf/nodelist.hpp
index e88085b61b..9260c45f74 100644
--- a/src/pathfinder/yapf/nodelist.hpp
+++ b/src/pathfinder/yapf/nodelist.hpp
@@ -49,7 +49,7 @@ protected:
 public:
 	/** default constructor */
 	CNodeList_HashTableT()
-		: m_open_queue(204800)
+		: m_open_queue(2048)
 	{
 		m_new_node = NULL;
 	}