diff --git a/htdocs/admin/multicurrency.php b/htdocs/admin/multicurrency.php
index 0decb3120bd..3310ee43e0a 100644
--- a/htdocs/admin/multicurrency.php
+++ b/htdocs/admin/multicurrency.php
@@ -49,15 +49,14 @@ $action = GETPOST('action', 'alpha');
 if (preg_match('/set_([a-z0-9_\-]+)/i',$action,$reg))
 {
 	$code=$reg[1];
-	$value=(GETPOST($code, 'alpha') ? GETPOST($code, 'alpha') : 1);
+	$value=GETPOST($code, 'alpha');
 	if (dolibarr_set_const($db, $code, $value, 'chaine', 0, '', $conf->entity) > 0)
 	{
-		header("Location: ".$_SERVER["PHP_SELF"]);
-		exit;
+        setEventMessages($langs->trans("SetupSaved"), null, 'mesgs');
 	}
 	else
 	{
-		dol_print_error($db);
+        setEventMessages($langs->trans("Error"), null, 'errors');
 	}
 }
 
@@ -66,12 +65,11 @@ if (preg_match('/del_([a-z0-9_\-]+)/i',$action,$reg))
 	$code=$reg[1];
 	if (dolibarr_del_const($db, $code, 0) > 0)
 	{
-		header("Location: ".$_SERVER["PHP_SELF"]);
-		exit;
+        setEventMessages($langs->trans("SetupSaved"), null, 'mesgs');
 	}
 	else
 	{
-		dol_print_error($db);
+        setEventMessages($langs->trans("Error"), null, 'errors');
 	}
 }
 
diff --git a/htdocs/core/modules/modProjet.class.php b/htdocs/core/modules/modProjet.class.php
index a502aac3d02..fa463cceb69 100644
--- a/htdocs/core/modules/modProjet.class.php
+++ b/htdocs/core/modules/modProjet.class.php
@@ -247,8 +247,8 @@ class modProjet extends DolibarrModules
 		$keyforselect='projet'; $keyforelement='project'; $keyforaliasextra='extra';
 		include DOL_DOCUMENT_ROOT.'/core/extrafieldsinexport.inc.php';
 		// Add fields for tasks
-        $this->export_fields_array[$r]=array_merge($this->export_fields_array[$r], array('pt.rowid'=>'RefTask','pt.label'=>'LabelTask','pt.dateo'=>"TaskDateStart",'pt.datee'=>"TaskDateEnd",'pt.duration_effective'=>"DurationEffective",'pt.planned_workload'=>"PlannedWorkload",'pt.progress'=>"Progress",'pt.description'=>"TaskDescription"));
-		$this->export_entities_array[$r]=array_merge($this->export_entities_array[$r], array('pt.rowid'=>'projecttask','pt.label'=>'projecttask','pt.dateo'=>"projecttask",'pt.datee'=>"projecttask",'pt.duration_effective'=>"projecttask",'pt.planned_workload'=>"projecttask",'pt.progress'=>"projecttask",'pt.description'=>"projecttask"));
+		$this->export_fields_array[$r]=array_merge($this->export_fields_array[$r], array('pt.rowid'=>'TaskId', 'pt.ref'=>'RefTask', 'pt.label'=>'LabelTask','pt.dateo'=>"TaskDateStart",'pt.datee'=>"TaskDateEnd",'pt.duration_effective'=>"DurationEffective",'pt.planned_workload'=>"PlannedWorkload",'pt.progress'=>"Progress",'pt.description'=>"TaskDescription"));
+		$this->export_entities_array[$r]=array_merge($this->export_entities_array[$r], array('pt.rowid'=>'projecttask', 'pt.ref'=>'projecttask', 'pt.label'=>'projecttask','pt.dateo'=>"projecttask",'pt.datee'=>"projecttask",'pt.duration_effective'=>"projecttask",'pt.planned_workload'=>"projecttask",'pt.progress'=>"projecttask",'pt.description'=>"projecttask"));
         // Add extra fields for task
 		$keyforselect='projet_task'; $keyforelement='projecttask'; $keyforaliasextra='extra2';
 		include DOL_DOCUMENT_ROOT.'/core/extrafieldsinexport.inc.php';