diff --git a/vcg/space/index/space_iterators.h b/vcg/space/index/space_iterators.h
index 83a5086e..8447ba29 100644
--- a/vcg/space/index/space_iterators.h
+++ b/vcg/space/index/space_iterators.h
@@ -10,7 +10,7 @@
 #include <vcg/math/base.h>
 #include <algorithm>
 #include <float.h>
-
+#include <limits>
 
 namespace vcg{
 	template <class Spatial_Idexing,class INTFUNCTOR,class TMARKER>