--- a/src/CUDAMarchingCubes.cu
+++ b/src/CUDAMarchingCubes.cu
@@ -45,6 +45,7 @@
 #include "CUDAMarchingCubes.h"
 #include <thrust/scan.h>
 #include <thrust/functional.h>
+#include <thrust/device_ptr.h>
 
 // The number of threads to use for triangle generation 
 // (limited by shared memory size)
--- a/src/CUDAQuickSurf.cu
+++ b/src/CUDAQuickSurf.cu
@@ -638,6 +638,7 @@ static void * cudadensitythread(void *vo
 // and only considering bins of atoms that fall within that radius.
 //
 #include <thrust/sort.h> // need thrust sorting primitives
+#include <thrust/device_ptr.h>
 
 #define GRID_CELL_EMPTY 0xffffffff