diff --git a/include/libtorrent/Makefile.am b/include/libtorrent/Makefile.am
index a181d5513..cac561f43 100644
--- a/include/libtorrent/Makefile.am
+++ b/include/libtorrent/Makefile.am
@@ -137,6 +137,7 @@ nobase_include_HEADERS = \
   string_util.hpp              \
   time.hpp                     \
   timestamp_history.hpp        \
+  torrent_flags.hpp            \
   torrent_handle.hpp           \
   torrent.hpp                  \
   torrent_info.hpp             \