diff --git a/Changelog b/Changelog
index 7ce849a5e..2a4b9afa7 100644
--- a/Changelog
+++ b/Changelog
@@ -1,5 +1,6 @@
 * Unreleased - Christophe Dumez <chris@qbittorrent.org> - v2.2.9
     - FEATURE: Official support for Win32 platform
+    - BUGFIX: Fix torrent availability computation (closes #587337)
 
 * Mon May 24 2010 - Christophe Dumez <chris@qbittorrent.org> - v2.2.8
     - BUGFIX: ETA for finished torrent is now 0 instead of Infinite (closes #583704)
diff --git a/src/pieceavailabilitybar.h b/src/pieceavailabilitybar.h
index 85e0c8e27..638324d75 100644
--- a/src/pieceavailabilitybar.h
+++ b/src/pieceavailabilitybar.h
@@ -51,7 +51,7 @@ public:
     setFixedHeight(BAR_HEIGHT);
   }
 
-  double setAvailability(const std::vector<int>& avail) {
+  void setAvailability(const std::vector<int>& avail) {
     double average = 0;
     if(avail.empty()) {
       // Empty bar
@@ -95,7 +95,6 @@ public:
       }
     }
     update();
-    return average;
   }
 
   void clear() {
diff --git a/src/propertieswidget.cpp b/src/propertieswidget.cpp
index b4cec347b..778ae8aeb 100644
--- a/src/propertieswidget.cpp
+++ b/src/propertieswidget.cpp
@@ -346,8 +346,8 @@ void PropertiesWidget::loadDynamicData() {
           showPiecesAvailability(true);
           std::vector<int> avail;
           h.piece_availability(avail);
-          double avail_average =  pieces_availability->setAvailability(avail);
-          avail_average_lbl->setText(QString::number(avail_average, 'f', 1));
+          pieces_availability->setAvailability(avail);
+          avail_average_lbl->setText(QString::number(h.get_torrent_handle().status().distributed_copies, 'f', 1));
         } else {
           showPiecesAvailability(false);
         }