diff --git a/src/dinterpolate.hpp b/src/dinterpolate.hpp
index 5109ce9..9ce6281 100644
--- a/src/dinterpolate.hpp
+++ b/src/dinterpolate.hpp
@@ -3,6 +3,7 @@
 
 #include "config.hpp"
 #include "mykdtree.hpp"
+#include "kdtree_splitters.hpp"
 #include <gsl/gsl_eigen.h>
 
 namespace CosmoTool {
@@ -14,7 +15,7 @@ namespace CosmoTool {
       int32_t *simplex_list;      
     };
  
-    typedef KDTree<N, SimplexAccess, PType> QuickTree;
+    typedef KDTree<N, SimplexAccess, PType, KD_homogeneous_cell_splitter<N, SimplexAccess> > QuickTree;
     typedef typename QuickTree::Cell QuickCell;
     typedef PType CoordType[N];