diff --git a/DebugUtils/Source/DetourDebugDraw.cpp b/DebugUtils/Source/DetourDebugDraw.cpp
index 02b9102..ad758d6 100755
--- a/DebugUtils/Source/DetourDebugDraw.cpp
+++ b/DebugUtils/Source/DetourDebugDraw.cpp
@@ -270,7 +270,7 @@ void duDebugDrawNavMeshNodes(struct duDebugDraw* dd, const dtNavMeshQuery& query
 		dd->begin(DU_DRAW_POINTS, 4.0f);
 		for (int i = 0; i < pool->getHashSize(); ++i)
 		{
-			for (unsigned short j = pool->getFirst(i); j != DT_NULL_IDX; j = pool->getNext(j))
+			for (dtNodeIndex j = pool->getFirst(i); j != DT_NULL_IDX; j = pool->getNext(j))
 			{
 				const dtNode* node = pool->getNodeAtIdx(j+1);
 				if (!node) continue;
@@ -282,7 +282,7 @@ void duDebugDrawNavMeshNodes(struct duDebugDraw* dd, const dtNavMeshQuery& query
 		dd->begin(DU_DRAW_LINES, 2.0f);
 		for (int i = 0; i < pool->getHashSize(); ++i)
 		{
-			for (unsigned short j = pool->getFirst(i); j != DT_NULL_IDX; j = pool->getNext(j))
+			for (dtNodeIndex j = pool->getFirst(i); j != DT_NULL_IDX; j = pool->getNext(j))
 			{
 				const dtNode* node = pool->getNodeAtIdx(j+1);
 				if (!node) continue;
diff --git a/Detour/Include/DetourNode.h b/Detour/Include/DetourNode.h
index e893f78..e46254f 100644
--- a/Detour/Include/DetourNode.h
+++ b/Detour/Include/DetourNode.h
@@ -27,7 +27,8 @@ enum dtNodeFlags
 	DT_NODE_CLOSED = 0x02,
 };
 
-static const unsigned short DT_NULL_IDX = 0xffff;
+typedef unsigned short dtNodeIndex;
+static const dtNodeIndex DT_NULL_IDX = ~0;
 
 struct dtNode
 {
@@ -39,6 +40,7 @@ struct dtNode
 	dtPolyRef id;				// Polygon ref the node corresponds to.
 };
 
+
 class dtNodePool
 {
 public:
@@ -70,22 +72,22 @@ public:
 	inline int getMemUsed() const
 	{
 		return sizeof(*this) +
-		sizeof(dtNode)*m_maxNodes +
-		sizeof(unsigned short)*m_maxNodes +
-		sizeof(unsigned short)*m_hashSize;
+			sizeof(dtNode)*m_maxNodes +
+			sizeof(dtNodeIndex)*m_maxNodes +
+			sizeof(dtNodeIndex)*m_hashSize;
 	}
 	
 	inline int getMaxNodes() const { return m_maxNodes; }
 	
 	inline int getHashSize() const { return m_hashSize; }
-	inline unsigned short getFirst(int bucket) const { return m_first[bucket]; }
-	inline unsigned short getNext(int i) const { return m_next[i]; }
+	inline dtNodeIndex getFirst(int bucket) const { return m_first[bucket]; }
+	inline dtNodeIndex getNext(int i) const { return m_next[i]; }
 	
 private:
 	
 	dtNode* m_nodes;
-	unsigned short* m_first;
-	unsigned short* m_next;
+	dtNodeIndex* m_first;
+	dtNodeIndex* m_next;
 	const int m_maxNodes;
 	const int m_hashSize;
 	int m_nodeCount;
diff --git a/Detour/Source/DetourNode.cpp b/Detour/Source/DetourNode.cpp
index 7b4d94a..de7b159 100644
--- a/Detour/Source/DetourNode.cpp
+++ b/Detour/Source/DetourNode.cpp
@@ -46,15 +46,15 @@ dtNodePool::dtNodePool(int maxNodes, int hashSize) :
 	dtAssert(m_maxNodes > 0);
 
 	m_nodes = (dtNode*)dtAlloc(sizeof(dtNode)*m_maxNodes, DT_ALLOC_PERM);
-	m_next = (unsigned short*)dtAlloc(sizeof(unsigned short)*m_maxNodes, DT_ALLOC_PERM);
-	m_first = (unsigned short*)dtAlloc(sizeof(unsigned short)*hashSize, DT_ALLOC_PERM);
+	m_next = (dtNodeIndex*)dtAlloc(sizeof(dtNodeIndex)*m_maxNodes, DT_ALLOC_PERM);
+	m_first = (dtNodeIndex*)dtAlloc(sizeof(dtNodeIndex)*hashSize, DT_ALLOC_PERM);
 
 	dtAssert(m_nodes);
 	dtAssert(m_next);
 	dtAssert(m_first);
 
-	memset(m_first, 0xff, sizeof(unsigned short)*m_hashSize);
-	memset(m_next, 0xff, sizeof(unsigned short)*m_maxNodes);
+	memset(m_first, 0xff, sizeof(dtNodeIndex)*m_hashSize);
+	memset(m_next, 0xff, sizeof(dtNodeIndex)*m_maxNodes);
 }
 
 dtNodePool::~dtNodePool()
@@ -66,14 +66,14 @@ dtNodePool::~dtNodePool()
 
 void dtNodePool::clear()
 {
-	memset(m_first, 0xff, sizeof(unsigned short)*m_hashSize);
+	memset(m_first, 0xff, sizeof(dtNodeIndex)*m_hashSize);
 	m_nodeCount = 0;
 }
 
 dtNode* dtNodePool::findNode(dtPolyRef id)
 {
 	unsigned int bucket = dtHashRef(id) & (m_hashSize-1);
-	unsigned short i = m_first[bucket];
+	dtNodeIndex i = m_first[bucket];
 	while (i != DT_NULL_IDX)
 	{
 		if (m_nodes[i].id == id)
@@ -86,7 +86,7 @@ dtNode* dtNodePool::findNode(dtPolyRef id)
 dtNode* dtNodePool::getNode(dtPolyRef id)
 {
 	unsigned int bucket = dtHashRef(id) & (m_hashSize-1);
-	unsigned short i = m_first[bucket];
+	dtNodeIndex i = m_first[bucket];
 	dtNode* node = 0;
 	while (i != DT_NULL_IDX)
 	{
@@ -98,7 +98,7 @@ dtNode* dtNodePool::getNode(dtPolyRef id)
 	if (m_nodeCount >= m_maxNodes)
 		return 0;
 	
-	i = (unsigned short)m_nodeCount;
+	i = (dtNodeIndex)m_nodeCount;
 	m_nodeCount++;
 	
 	// Init node
diff --git a/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast b/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast
index c3d63bd..ef041d5 100755
Binary files a/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast and b/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast differ