diff --git a/INSTALL b/INSTALL
index 0e069d446..8f44209ca 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,4 +1,4 @@
-qBittorrent - A BitTorrent client in C++ / Qt4.2
+qBittorrent - A BitTorrent client in C++ / Qt4
 ------------------------------------------
 
 *** Necessary if qt3 is default on your system ***
@@ -14,7 +14,7 @@ qbittorrent
 will install and execute qBittorrent hopefully without any problems.
 
 Dependencies:
-- Qt >= 4.2 (libqt-devel, libqtgui, libqtcore, libqtnetwork, libqtxml)
+- Qt >= 4.3.0 (libqt-devel, libqtgui, libqtcore, libqtnetwork, libqtxml)
 
 - rblibtorrent by Arvid Norberg (>= v0.13 REQUIRED)
     -> http://www.qbittorrent.org/download.php (advised)
diff --git a/TODO b/TODO
index 42e8d9201..467f8a2f9 100644
--- a/TODO
+++ b/TODO
@@ -55,8 +55,9 @@
 - debug new torrent content selection
 - Recheck doc
 - Translations update (IN PROGRESS)
-- Make use of total_wanted
 
 rc3->rc4 changelog:
 - BUGFIX: Fixed ip filter preferences (couldn't enable it)
-- BUGFIX: Fixed a compilation problem on FreeBSD
\ No newline at end of file
+- BUGFIX: Fixed compilation problems on FreeBSD (Ok now)
+- BUGFIX: Updated INSTALL file
+- BUGFIX: Optimized torrent real size calculation
\ No newline at end of file
diff --git a/src/qtorrenthandle.cpp b/src/qtorrenthandle.cpp
index 4a2e4433e..282dec4d7 100644
--- a/src/qtorrenthandle.cpp
+++ b/src/qtorrenthandle.cpp
@@ -129,17 +129,7 @@ QStringList QTorrentHandle::url_seeds() const {
 // get the size of the torrent without the filtered files
 size_type QTorrentHandle::actual_size() const{
   Q_ASSERT(h.is_valid());
-  size_type size = 0;
-  std::vector<int> piece_priorities = h.piece_priorities();
-  for(unsigned int i = 0; i<piece_priorities.size(); ++i) {
-    if(piece_priorities[i])
-      size += h.get_torrent_info().piece_size(i);
-  }
-  Q_ASSERT(size >= 0 && size <= h.get_torrent_info().total_size());
-  return size;
-  // TODO: Wait until this bug is fixed in libtorrent
-  // http://code.rasterbar.com/libtorrent/ticket/144
-  //return h.status().total_wanted;
+  return h.status().total_wanted;
 }
 
 bool QTorrentHandle::has_filtered_pieces() const {