diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index 0ac5d78aead..0143e20ba77 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -2109,12 +2109,14 @@ if ($action == 'create')
 
 				// Create an invoice and classify billed
 				if ($object->statut == 2) {
-					if (! empty($conf->facture->enabled) && $user->rights->facture->creer) {
+					if (! empty($conf->facture->enabled) && $user->rights->facture->creer)
+					{
 						print '<div class="inline-block divButAction"><a class="butAction" href="' . DOL_URL_ROOT . '/compta/facture.php?action=create&amp;origin=' . $object->element . '&amp;originid=' . $object->id . '&amp;socid=' . $object->socid . '">' . $langs->trans("AddBill") . '</a></div>';
 					}
 
-					$arraypropal = $object->getInvoiceArrayList();
-					if (is_array($arraypropal) && count($arraypropal) > 0) {
+					$arrayofinvoiceforpropal = $object->getInvoiceArrayList();
+					if ((is_array($arrayofinvoiceforpropal) && count($arrayofinvoiceforpropal) > 0) || ! empty($conf->global->WORKFLOW_PROPAL_CAN_CLASSIFIED_BILLED_WITHOUT_INVOICES))
+					{
 						print '<div class="inline-block divButAction"><a class="butAction" href="' . $_SERVER["PHP_SELF"] . '?id=' . $object->id . '&amp;action=classifybilled&amp;socid=' . $object->socid . '">' . $langs->trans("ClassifyBilled") . '</a></div>';
 					}
 				}
diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index fb9d5257d49..be22043e4b5 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -1987,16 +1987,19 @@ class Propal extends CommonObject
                 {
                     $linkedInvoices[] = $objectid[$i];
                 }
-                // Cas des factures liees via la commande
+                // Cas des factures liees par un autre objet (ex: commande)
                 else
-                {
+				{
                     $this->fetchObjectLinked($objectid[$i],$objecttype);
                     foreach($this->linkedObjectsIds as $subobjecttype => $subobjectid)
                     {
                         $numj=count($subobjectid);
                         for ($j=0;$j<$numj;$j++)
                         {
-                            $linkedInvoices[] = $subobjectid[$j];
+                        	if ($subobjecttype == 'facture')
+                        	{
+                            	$linkedInvoices[] = $subobjectid[$j];
+                        	}
                         }
                     }
                 }
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 1a9195e069d..54c7b9d860d 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -1851,7 +1851,7 @@ abstract class CommonObject
             }
         }
         else
-        {
+		{
             $sql.= "(fk_source = '".$sourceid."' AND sourcetype = '".$sourcetype."')";
             $sql.= " ".$clause." (fk_target = '".$targetid."' AND targettype = '".$targettype."')";
         }
diff --git a/htdocs/langs/en_US/workflow.lang b/htdocs/langs/en_US/workflow.lang
index d4ecf42b997..e08c88a9170 100644
--- a/htdocs/langs/en_US/workflow.lang
+++ b/htdocs/langs/en_US/workflow.lang
@@ -1,6 +1,6 @@
 # Dolibarr language file - Source file is en_US - admin 
 WorkflowSetup=Workflow module setup
-WorkflowDesc=This module is designed to modify the behaviour of automatic actions into application. By default, workflow is opened (you make thing in order you want). You can enabled automatic actions that you are interesting in.
+WorkflowDesc=This module is designed to modify the behaviour of automatic actions into application. By default, workflow is opened (you make thing in order you want). You can activate the automatic actions that you are interesting in.
 ThereIsNoWorkflowToModify=There is no workflow you can modify for module you have activated. 
 descWORKFLOW_PROPAL_AUTOCREATE_ORDER=Create a customer order automatically after a commercial proposal is signed
 descWORKFLOW_PROPAL_AUTOCREATE_INVOICE=Create a customer invoice automatically after a commercial proposal is signed