diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 5ed1802f202..9b8232bb188 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -6585,7 +6585,7 @@ function dol_htmloutput_errors($mesgstring = '', $mesgarray = array(), $keepembe
  *  or descending output and uses optionally natural case insensitive sorting (which
  *  can be optionally case sensitive as well).
  *
- *  @param      array		$array      		Array to sort (array of array('key','otherkey1','otherkey2'...))
+ *  @param      array		$array      		Array to sort (array of array('key1'=>val1,'key2'=>val2,'key3'...) or array of objects)
  *  @param      string		$index				Key in array to use for sorting criteria
  *  @param      int			$order				Sort order ('asc' or 'desc')
  *  @param      int			$natsort			1=use "natural" sort (natsort), 0=use "standard" sort (asort)
@@ -6604,7 +6604,17 @@ function dol_sort_array(&$array, $index, $order = 'asc', $natsort = 0, $case_sen
 		if ($sizearray>0)
 		{
 			$temp = array();
-			foreach(array_keys($array) as $key) $temp[$key]=$array[$key][$index];
+			foreach(array_keys($array) as $key)
+			{
+				if (is_object($array[$key]))
+				{
+					$temp[$key]=$array[$key]->$index;
+				}
+				else
+				{
+					$temp[$key]=$array[$key][$index];
+				}
+			}
 
             if (! $natsort) {
                 ($order=='asc') ? asort($temp) : arsort($temp);