diff --git a/sample/testkd.cpp b/sample/testkd.cpp
index a3c76e7..ada6561 100644
--- a/sample/testkd.cpp
+++ b/sample/testkd.cpp
@@ -11,7 +11,7 @@ using namespace std;
 using namespace CosmoTool;
 
 typedef KDTree<ND,char> MyTree;
-typedef KDCell<ND,char> MyCell;
+typedef MyTree::Cell MyCell;
 
 MyCell *findNearest(MyTree::coords& xc, MyCell *cells, uint32_t Ncells)
 {