diff --git a/ChangeLog b/ChangeLog
index db3d17e8b..cd976f1b4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -84,6 +84,7 @@
 	* resume data no longer has timestamps of files
 	* require C++11 to build libtorrent
 
+	* set the hidden attribute when creating the part file
 	* fix recent regression with force_proxy setting
 	* don't perform DNS lookups for the DHT bootstrap unless DHT is enabled
 	* fix issue where setting file/piece priority would stop checking
diff --git a/include/libtorrent/alert_types.hpp b/include/libtorrent/alert_types.hpp
index 7e1898329..278b44c7a 100644
--- a/include/libtorrent/alert_types.hpp
+++ b/include/libtorrent/alert_types.hpp
@@ -1642,7 +1642,7 @@ TORRENT_VERSION_NAMESPACE_2
 			, torrent_handle const& h, error_code const& ec, string_view file
 			, operation_t op);
 
-		TORRENT_DEFINE_ALERT(fastresume_rejected_alert, 53)
+		TORRENT_DEFINE_ALERT_PRIO(fastresume_rejected_alert, 53, alert_priority_critical)
 
 		static constexpr alert_category_t static_category = alert::status_notification
 			| alert::error_notification;
diff --git a/src/file.cpp b/src/file.cpp
index 0b0509fad..e21af118e 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -530,14 +530,14 @@ static_assert(!(open_mode::sparse & open_mode::attribute_mask), "internal flags
 
 		TORRENT_ASSERT(static_cast<std::uint32_t>(mode & open_mode::rw_mask) < mode_array.size());
 		win_open_mode_t const& m = mode_array[static_cast<std::uint32_t>(mode & open_mode::rw_mask)];
-		DWORD a = attrib_array[static_cast<std::uint32_t>(mode & open_mode::attribute_mask) >> 12];
+		DWORD a = attrib_array[static_cast<std::uint32_t>(mode & open_mode::attribute_mask) >> 7];
 
 		// one might think it's a good idea to pass in FILE_FLAG_RANDOM_ACCESS. It
 		// turns out that it isn't. That flag will break your operating system:
 		// http://support.microsoft.com/kb/2549369
 
 		DWORD const flags = ((mode & open_mode::random_access) ? 0 : FILE_FLAG_SEQUENTIAL_SCAN)
-			| (a ? a : FILE_ATTRIBUTE_NORMAL)
+			| a
 			| FILE_FLAG_OVERLAPPED
 			| ((mode & open_mode::no_cache) ? FILE_FLAG_WRITE_THROUGH : 0);
 
diff --git a/src/part_file.cpp b/src/part_file.cpp
index d9500e9d8..692217ff3 100644
--- a/src/part_file.cpp
+++ b/src/part_file.cpp
@@ -178,7 +178,7 @@ namespace libtorrent {
 		TORRENT_ASSERT(offset >= 0);
 		std::unique_lock<std::mutex> l(m_mutex);
 
-		open_file(open_mode::read_write, ec);
+		open_file(open_mode::read_write | open_mode::attribute_hidden, ec);
 		if (ec) return -1;
 
 		auto const i = m_piece_map.find(piece);
@@ -206,7 +206,7 @@ namespace libtorrent {
 		}
 
 		slot_index_t const slot = i->second;
-		open_file(open_mode::read_write, ec);
+		open_file(open_mode::read_write | open_mode::attribute_hidden, ec);
 		if (ec) return -1;
 
 		l.unlock();
@@ -375,7 +375,7 @@ namespace libtorrent {
 			return;
 		}
 
-		open_file(open_mode::read_write, ec);
+		open_file(open_mode::read_write | open_mode::attribute_hidden, ec);
 		if (ec) return;
 
 		std::vector<char> header(static_cast<std::size_t>(m_header_size));
diff --git a/src/storage.cpp b/src/storage.cpp
index 0ecd952e4..027df4027 100644
--- a/src/storage.cpp
+++ b/src/storage.cpp
@@ -160,11 +160,10 @@ namespace libtorrent {
 			{
 				// move stuff into the part file
 				// this is not implemented yet.
-				// pretend that we didn't set the priority to 0.
+				// so we just don't use a partfile for this file
 
-				std::string fp = fs.file_path(i, m_save_path);
-				if (exists(fp))
-					new_prio = low_priority;
+				std::string const fp = fs.file_path(i, m_save_path);
+				if (exists(fp)) use_partfile(i, false);
 /*
 				file_handle f = open_file(i, open_mode::read_only, ec);
 				if (ec.ec != boost::system::errc::no_such_file_or_directory)
diff --git a/test/test_alert_types.cpp b/test/test_alert_types.cpp
index 65ce6baf8..d97ed7e46 100644
--- a/test/test_alert_types.cpp
+++ b/test/test_alert_types.cpp
@@ -121,7 +121,7 @@ TORRENT_TEST(alerts_types)
 	TEST_ALERT_TYPE(portmap_error_alert, 50, 0, alert::port_mapping_notification | alert::error_notification);
 	TEST_ALERT_TYPE(portmap_alert, 51, 0, alert::port_mapping_notification);
 	TEST_ALERT_TYPE(portmap_log_alert, 52, 0, alert::port_mapping_log_notification);
-	TEST_ALERT_TYPE(fastresume_rejected_alert, 53, 0, alert::status_notification | alert::error_notification);
+	TEST_ALERT_TYPE(fastresume_rejected_alert, 53, 2, alert::status_notification | alert::error_notification);
 	TEST_ALERT_TYPE(peer_blocked_alert, 54, 0, alert::ip_block_notification);
 	TEST_ALERT_TYPE(dht_announce_alert, 55, 0, alert::dht_notification);
 	TEST_ALERT_TYPE(dht_get_peers_alert, 56, 0, alert::dht_notification);