diff --git a/include/boost/config/platform/hpux.hpp b/include/boost/config/platform/hpux.hpp
index 5d1af3f8..77669461 100644
--- a/include/boost/config/platform/hpux.hpp
+++ b/include/boost/config/platform/hpux.hpp
@@ -22,3 +22,7 @@
 #define BOOST_HAS_UNISTD_H
 #include <boost/config/posix_features.hpp>
 
+#ifndef BOOST_HAS_GETTIMEOFDAY
+// gettimeofday is always available
+#define BOOST_HAS_GETTIMEOFDAY
+#endif