diff --git a/htdocs/propal.class.php b/htdocs/propal.class.php
index 2dbadb02a68..2d80a4327c6 100644
--- a/htdocs/propal.class.php
+++ b/htdocs/propal.class.php
@@ -979,39 +979,43 @@ class Propal
         }
     }
 		
-  /**
-   *    \brief      Renvoie un tableau contenant les commandes associées
-   *    \remarks    Fonction plus lourde que commande_liste_array
-   *    \sa         commande_liste_array
-   */
-  function associated_orders ()
+    /**
+     *    \brief      Renvoie un tableau contenant les commandes associées
+     *    \remarks    Fonction plus lourde que commande_liste_array
+     *    \sa         commande_liste_array
+     */
+    function associated_orders()
     {
-      $ga = array();
+        $ga = array();
+    
+        $sql = "SELECT fk_commande FROM ".MAIN_DB_PREFIX."co_pr";
+        $sql.= " WHERE fk_propale = " . $this->id;
+        if ($this->db->query($sql) )
+        {
+            $nump = $this->db->num_rows();
+    
+            if ($nump)
+            {
+                $i = 0;
+                while ($i < $nump)
+                {
+                    $obj = $this->db->fetch_object();
+                    $order=new Commande($this->db);
 
-      $sql = "SELECT fk_commande FROM ".MAIN_DB_PREFIX."co_pr";      
-      $sql .= " WHERE fk_propale = " . $this->id;
-      if ($this->db->query($sql) )
-	{
-	  $nump = $this->db->num_rows();
-	  
-	  if ($nump)
-	    {
-	      $i = 0;
-	      while ($i < $nump)
-		{
-		  $obj = $this->db->fetch_object();
-		  $order=new Commande($this->db);
-			$order->fetch($obj->fk_commande);
-		  $ga[$i] = $order;
-		  $i++;
-		}
-	    }
-	  return $ga;
-	}
-      else
-	{
-	  print $this->db->error();
-	}      
+                    if ($obj->fk_commande)
+                    {
+                        $order->fetch($obj->fk_commande);
+                        $ga[$i] = $order;
+                    }
+                    $i++;
+                }
+            }
+            return $ga;
+        }
+        else
+        {
+            print $this->db->error();
+        }
     }
 		
     /**