diff --git a/include/libtorrent/tracker_manager.hpp b/include/libtorrent/tracker_manager.hpp
index 8b3781bf8..3669943f9 100644
--- a/include/libtorrent/tracker_manager.hpp
+++ b/include/libtorrent/tracker_manager.hpp
@@ -213,7 +213,7 @@ namespace libtorrent
 		tracker_manager(session_settings const& s, proxy_settings const& ps)
 			: m_settings(s)
 			, m_proxy(ps)
-	  		, m_abort(false) {}
+			, m_abort(false) {}
 
 		void queue_request(
 			io_service& ios