diff --git a/openvdb/openvdb/points/AttributeSet.h b/openvdb/openvdb/points/AttributeSet.h
index 50a9a56a9c..1398f58728 100644
--- a/openvdb/openvdb/points/AttributeSet.h
+++ b/openvdb/openvdb/points/AttributeSet.h
@@ -15,6 +15,7 @@
 #include <openvdb/MetaMap.h>
 
 #include <limits>
+#include <climits>
 #include <memory>
 #include <vector>