diff --git a/include/Makefile.am b/include/Makefile.am
index b3a10a4ef..42f9a682d 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -202,6 +202,7 @@ libtorrent/asio/detail/win_event.hpp \
 libtorrent/asio/detail/win_fd_set_adapter.hpp \
 libtorrent/asio/detail/win_iocp_io_service.hpp \
 libtorrent/asio/detail/win_iocp_io_service_fwd.hpp \
+libtorrent/asio/detail/win_iocp_operation.hpp \
 libtorrent/asio/detail/win_iocp_socket_service.hpp \
 libtorrent/asio/detail/win_mutex.hpp \
 libtorrent/asio/detail/win_signal_blocker.hpp \
@@ -243,5 +244,4 @@ libtorrent/asio/ssl/detail/openssl_context_service.hpp \
 libtorrent/asio/ssl/detail/openssl_init.hpp \
 libtorrent/asio/ssl/detail/openssl_operation.hpp \
 libtorrent/asio/ssl/detail/openssl_stream_service.hpp \
-libtorrent/asio/ssl/detail/openssl_types.hpp
-
+libtorrent/asio/ssl/detail/openssl_types.hpp \