diff --git a/Extras/ConvexDecomposition/cd_hull.cpp b/Extras/ConvexDecomposition/cd_hull.cpp
index b85b64941..0f7d98942 100644
--- a/Extras/ConvexDecomposition/cd_hull.cpp
+++ b/Extras/ConvexDecomposition/cd_hull.cpp
@@ -2202,6 +2202,7 @@ int maxdirfiltered(const T *p,int count,const T &dir,Array<int> &allow)
 		{
 			if(m==-1 )
 			{
+				currDotm = dot(p[i], dir);
 				m=i;
 			}
 			else