diff --git a/include/libtorrent/alert.hpp b/include/libtorrent/alert.hpp
index 322efebbd..0d1f6a136 100644
--- a/include/libtorrent/alert.hpp
+++ b/include/libtorrent/alert.hpp
@@ -54,6 +54,10 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/ptime.hpp"
 #include "libtorrent/config.hpp"
 
+#ifndef BOOST_NO_TYPEID
+#include <typeinfo>
+#endif
+
 #ifndef TORRENT_MAX_ALERT_TYPES
 #define TORRENT_MAX_ALERT_TYPES 15
 #endif