diff --git a/Changelog b/Changelog
index 5ec7cca09..309d59606 100644
--- a/Changelog
+++ b/Changelog
@@ -22,6 +22,7 @@
     - FEATURE: Display close tab button into the tabs in search engine (Qt >= 4.5 only)
     - FEATURE: Show official documentation when pressing F1 key
     - FEATURE: Search engine plugins now handle HTTP protocol gzip compression
+    - FEATURE: Enabled lazy bitfield as a counter-measure for ISP speed throttling
     - FEATURE: Announce to all trackers specified for a torrent (µTorrent behavior) (libtorrent >= v0.15 only)
     - FEATURE: Added per-torrent super seeding mode (libtorrent >= v0.15 only)
     - FEATURE: Support for storing symbolic links in .torrent files (libtorrent >= v0.15 only)
diff --git a/src/bittorrent.cpp b/src/bittorrent.cpp
index c0a0e45fe..1b14f5022 100644
--- a/src/bittorrent.cpp
+++ b/src/bittorrent.cpp
@@ -291,6 +291,8 @@ void Bittorrent::configureSession() {
   }
   sessionSettings.upnp_ignore_nonrouters = true;
   sessionSettings.use_dht_as_fallback = false;
+  // To prevent ISPs from blocking seeding
+  sessionSettings.lazy_bitfields = true;
   //sessionSettings.announce_to_all_trackers = true;
 #ifdef LIBTORRENT_0_15
   sessionSettings.announce_to_all_tiers = true; //uTorrent behavior