diff --git a/src/sample.h b/src/sample.h
index 06443160c..aea0a1651 100644
--- a/src/sample.h
+++ b/src/sample.h
@@ -8,6 +8,7 @@
 #include <boost/serialization/split_member.hpp>
 #include <boost/smart_ptr/intrusive_ptr.hpp>
 #include <iosfwd>
+#include <limits>
 
 #ifndef BOOST_BYTE_ORDER
 #if BOOST_ENDIAN_BIG_BYTE