diff --git a/htdocs/core/lib/project.lib.php b/htdocs/core/lib/project.lib.php
index d7a4f21ee00..3f8e5831d9d 100644
--- a/htdocs/core/lib/project.lib.php
+++ b/htdocs/core/lib/project.lib.php
@@ -266,9 +266,10 @@ function select_projects($socid=-1, $selected='', $htmlname='projectid', $maxlen
  * @param 	int			$showproject		Show project columns
  * @param	int			&$taskrole			Array of roles of user for each tasks
  * @param	int			$projectsListId		List of id of project allowed to user (separated with comma)
+ * @param	int			$addordertick		Add a tick to move task
  * @return	void
  */
-function projectLinesa(&$inc, $parent, &$lines, &$level, $var, $showproject, &$taskrole, $projectsListId='')
+function projectLinesa(&$inc, $parent, &$lines, &$level, $var, $showproject, &$taskrole, $projectsListId='', $addordertick=0)
 {
     global $user, $bc, $langs;
 	global $projectstatic, $taskstatic;
@@ -394,6 +395,12 @@ function projectLinesa(&$inc, $parent, &$lines, &$level, $var, $showproject, &$t
                 else print '</a>';
                 print '</td>';
 
+                // Tick to drag and drop
+                if ($addordertick)
+                {
+                	print '<td align="center" class="tdlineupdown">&nbsp;</td>';
+                }
+
                 print "</tr>\n";
 
                 if (! $showlineingray) $inc++;
diff --git a/htdocs/projet/tasks.php b/htdocs/projet/tasks.php
index ac80a52a46c..30c29258435 100644
--- a/htdocs/projet/tasks.php
+++ b/htdocs/projet/tasks.php
@@ -363,12 +363,13 @@ else
 	print '<td align="center">'.$langs->trans("DateEnd").'</td>';
 	print '<td align="right">'.$langs->trans("Progress").'</td>';
 	print '<td align="right">'.$langs->trans("TimeSpent").'</td>';
+	print '<td>&nbsp;</td>';
 	print "</tr>\n";
 	if (count($tasksarray) > 0)
 	{
 		// Show all lines in taskarray (recursive function to go down on tree)
 		$j=0;
-		$nboftaskshown=projectLinesa($j, 0, $tasksarray, $level, true, 0, $tasksrole);
+		$nboftaskshown=projectLinesa($j, 0, $tasksarray, $level, true, 0, $tasksrole, '', 1);
 	}
 	else
 	{