diff --git a/RecastDemo/Source/Sample_TempObstacles.cpp b/RecastDemo/Source/Sample_TempObstacles.cpp
index b9f8ad3..967f50a 100644
--- a/RecastDemo/Source/Sample_TempObstacles.cpp
+++ b/RecastDemo/Source/Sample_TempObstacles.cpp
@@ -768,7 +768,7 @@ class TempObstacleCreateTool : public SampleTool
 	
 public:
 	
-	TempObstacleCreateTool()
+	TempObstacleCreateTool() : m_sample(0)
 	{
 	}