diff --git a/RecastDemo/Source/NavMeshPruneTool.cpp b/RecastDemo/Source/NavMeshPruneTool.cpp
index 193d79a..270c8f6 100644
--- a/RecastDemo/Source/NavMeshPruneTool.cpp
+++ b/RecastDemo/Source/NavMeshPruneTool.cpp
@@ -63,7 +63,7 @@ public:
 		}
 		m_size = n;
 	}
-	inline void push(int item) { resize(m_size+1); m_data[m_size-1] = item; }
+	inline void push(dtPolyRef item) { resize(m_size+1); m_data[m_size-1] = item; }
 	inline dtPolyRef pop() { if (m_size > 0) m_size--; return m_data[m_size]; }
 	inline const dtPolyRef& operator[](int i) const { return m_data[i]; }
 	inline dtPolyRef& operator[](int i) { return m_data[i]; }