diff --git a/DetourCrowd/Include/DetourCrowd.h b/DetourCrowd/Include/DetourCrowd.h
index 2d486bf..03d9c46 100644
--- a/DetourCrowd/Include/DetourCrowd.h
+++ b/DetourCrowd/Include/DetourCrowd.h
@@ -53,6 +53,7 @@ struct dtCrowdAgentParams
 	float separationWeight;
 	unsigned char updateFlags;
 	unsigned char obstacleAvoidanceType;
+	void* userData;
 };
 
 struct dtCrowdAgent
diff --git a/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast b/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast
index 25791f7..340c8f0 100755
Binary files a/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast and b/RecastDemo/Bin/Recast.app/Contents/MacOS/Recast differ
diff --git a/RecastDemo/Source/CrowdTool.cpp b/RecastDemo/Source/CrowdTool.cpp
index efb43f3..08f6963 100644
--- a/RecastDemo/Source/CrowdTool.cpp
+++ b/RecastDemo/Source/CrowdTool.cpp
@@ -325,6 +325,7 @@ void CrowdTool::handleClick(const float* s, const float* p, bool shift)
 		{
 			// Add
 			dtCrowdAgentParams ap;
+			memset(&ap, 0, sizeof(ap));
 			ap.radius = m_sample->getAgentRadius();
 			ap.height = m_sample->getAgentHeight();
 			ap.maxAcceleration = 8.0f;