diff --git a/library/PolyVoxCore/include/PolyVoxCore/Density.h b/library/PolyVoxCore/include/PolyVoxCore/Density.h
index e4fbc6e5..82aab7b4 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/Density.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/Density.h
@@ -27,6 +27,7 @@ freely, subject to the following restrictions:
 #include "PolyVoxImpl/TypeDef.h"
 
 #include <cassert>
+#include <limits>
 
 namespace PolyVox
 {