diff --git a/src/IDF/Project.php b/src/IDF/Project.php
index 2f09219..14f66c7 100644
--- a/src/IDF/Project.php
+++ b/src/IDF/Project.php
@@ -132,6 +132,47 @@ class IDF_Project extends Pluf_Model
         }
         return $projects[0];
     }
+    
+    /**
+     * Returns the number of open/closed issues.
+     *
+     * @param string Status ('open'), 'closed'
+     * @param IDF_Tag Subfilter with a label (null)
+     * @return int Count
+     */
+    public function getIssueCountByOwner($status='open')
+    {
+        switch ($status) {
+        case 'open':
+            $tags = implode(',', $this->getTagIdsByStatus('open'));
+            break;
+        case 'closed':
+        default:
+            $tags = implode(',', $this->getTagIdsByStatus('closed'));
+            break;
+        }
+        $sqlIssueTable = Pluf::factory('IDF_Issue')->getSqlTable();
+        $query = <<<"QUERY"
+SELECT uid AS id,COUNT(uid) AS nb
+FROM (
+    SELECT COALESCE(owner, -1) AS uid
+    FROM $sqlIssueTable
+    WHERE status IN ($tags)
+    ) AS ff
+GROUP BY uid
+QUERY;
+        $db = Pluf::db();
+        $dbData = $db->select($query);
+        $ownerStatistics = array();
+        foreach ($dbData as $k => $v) {
+            $key = ($v['id'] === '-1') ? null : $v['id'];
+            $ownerStatistics[$key] = (int)$v['nb'];
+        }
+        
+        arsort($ownerStatistics);
+
+        return $ownerStatistics;
+    }
 
     /**
      * Returns the number of open/closed issues.
diff --git a/src/IDF/Views/Issue.php b/src/IDF/Views/Issue.php
index 22c1e2e..fc9d7b4 100644
--- a/src/IDF/Views/Issue.php
+++ b/src/IDF/Views/Issue.php
@@ -105,17 +105,15 @@ class IDF_Views_Issue
             
             if ($opened > 0) {
                 // Issue owner statistics
-                $sqlIssueTable = Pluf::factory('IDF_Issue')->getSqlTable();
-                $sqlUsersTable = Pluf::factory('Pluf_User')->getSqlTable();
-                $otags = implode(',', $prj->getTagIdsByStatus('open'));
-                $query = <<<"QUERY"
-SELECT CONCAT(first_name, " ", last_name) as name, nb FROM (SELECT uid as id,count(uid) as nb FROM (SELECT coalesce(owner, -1) as uid FROM $sqlIssueTable WHERE status IN ($otags)) as ff group by uid) AS ff LEFT JOIN $sqlUsersTable using(id)
-QUERY;
-                $db = Pluf::db();
-                $dbData = $db->select($query);
-                foreach ($dbData as $k => $v) {
-                    $key = ($v['name'] === null) ? __('Not assigned') : $v['name'];
-                    $ownerStatistics[$key] = array($v['nb'], (int)(100 * $v['nb'] / $opened));
+                $owners = $prj->getIssueCountByOwner('open');
+                foreach ($owners as $user => $nb) {
+                    if ($user === '') {
+                        $key = __('Not assigned');
+                    } else {
+                        $obj = Pluf::factory('Pluf_User')->getOne(array('filter'=>'id='.$user));
+                        $key = $obj->first_name . ' ' . $obj->last_name;
+                    }
+                    $ownerStatistics[$key] = array($nb, (int)(100 * $nb / $opened));
                 }
 
                 // Issue class tag statistics