diff --git a/DDSurfaces/include/DDSurfaces/Vector3D.h b/DDSurfaces/include/DDSurfaces/Vector3D.h
index 75a9c881eddb2875ecb0935c073f5fc88f78fb09..42f79b7cae331ffb778de5353bd448bb8f0830b1 100644
--- a/DDSurfaces/include/DDSurfaces/Vector3D.h
+++ b/DDSurfaces/include/DDSurfaces/Vector3D.h
@@ -1,9 +1,9 @@
 #ifndef DDSurfaces_Vector3D_h
 #define DDSurfaces_Vector3D_h 1
 
-#include <math.h>
+#include <cmath>
 #include <iostream> 
-#include "assert.h"
+#include <cassert>
 
 
 namespace DDSurfaces {