diff --git a/Detour/Source/DetourNavMesh.cpp b/Detour/Source/DetourNavMesh.cpp
index 2546487..a77b80d 100644
--- a/Detour/Source/DetourNavMesh.cpp
+++ b/Detour/Source/DetourNavMesh.cpp
@@ -198,6 +198,7 @@ dtNavMesh::dtNavMesh() :
 	m_tileBits(0),
 	m_polyBits(0)
 {
+	memset(&m_params, 0, sizeof(dtNavMeshParams));
 	m_orig[0] = 0;
 	m_orig[1] = 0;
 	m_orig[2] = 0;