diff --git a/htdocs/projet/activity/list.php b/htdocs/projet/activity/list.php
index 09cc56c54e8..c0b3743c980 100644
--- a/htdocs/projet/activity/list.php
+++ b/htdocs/projet/activity/list.php
@@ -121,7 +121,7 @@ $projectsListId = $projectstatic->getProjectsAuthorizedForUser($user,0,1);  // R
 if ($id)
 {
     $project->fetch($id);
-    $project->societe->fetch($project->societe->id);
+    $project->fetch_thirdparty();
 }
 
 $tasksarray=$taskstatic->getTasksArray(0,0,($project->id?$project->id:$projectsListId),$socid,0);    // We want to see all task of project i am allowed to see, not only mine. Later only mine will be editable later.
diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index 3279221d0c4..7f8fd52c500 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -53,7 +53,6 @@ class Project extends CommonObject
     var $statuts;
     var $oldcopy;
 
-
     /**
      *  Constructor
      *
@@ -62,7 +61,6 @@ class Project extends CommonObject
     function __construct($db)
     {
         $this->db = $db;
-        $this->societe = new Societe($db);
 
         $this->statuts_short = array(0 => 'Draft', 1 => 'Opened', 2 => 'Closed');
         $this->statuts = array(0 => 'Draft', 1 => 'Opened', 2 => 'Closed');
@@ -982,6 +980,7 @@ class Project extends CommonObject
 
 		// Load source object
 		$clone_project->fetch($fromid);
+		$clone_project->fetch_thirdparty();
 
 		$orign_dt_start=$clone_project->date_start;
 		$orign_project_ref=$clone_project->ref;
@@ -1009,7 +1008,7 @@ class Project extends CommonObject
 
         	require_once DOL_DOCUMENT_ROOT ."/core/modules/project/".$conf->global->PROJECT_ADDON.'.php';
         	$modProject = new $obj;
-        	$defaultref = $modProject->getNextValue($clone_project->societe->id,$clone_project);
+        	$defaultref = $modProject->getNextValue(is_object($clone_project->thirdparty)?$clone_project->thirdparty->id:0,$clone_project);
     	}
 
     	if (is_numeric($defaultref) && $defaultref <= 0) $defaultref='';
diff --git a/htdocs/projet/element.php b/htdocs/projet/element.php
index 53559c74333..abdf6f81b5b 100644
--- a/htdocs/projet/element.php
+++ b/htdocs/projet/element.php
@@ -89,7 +89,7 @@ $userstatic=new User($db);
 
 $project = new Project($db);
 $project->fetch($projectid,$ref);
-$project->societe->fetch($project->societe->id);
+$project->fetch_thirdparty();
 
 // To verify role of users
 $userAccess = $project->restrictedProjectArea($user);
@@ -115,7 +115,7 @@ print '</td></tr>';
 print '<tr><td>'.$langs->trans("Label").'</td><td>'.$project->title.'</td></tr>';
 
 print '<tr><td>'.$langs->trans("ThirdParty").'</td><td>';
-if (! empty($project->societe->id)) print $project->societe->getNomUrl(1);
+if (! empty($project->thirdparty->id)) print $project->thirdparty->getNomUrl(1);
 else print '&nbsp;';
 print '</td></tr>';
 
@@ -229,7 +229,7 @@ foreach ($listofreferent as $key => $value)
 
 		print_titre($langs->trans($title));
 
-		$selectList=$formproject->select_element($tablename,$project->societe->id);
+		$selectList=$formproject->select_element($tablename,$project->thirdparty->id);
 
 		if (!$selectList || ($selectList<0)) {
 			setEventMessage($formproject->error,'errors');
@@ -244,7 +244,7 @@ foreach ($listofreferent as $key => $value)
 			print '</form>';
 		}
 		print '<table class="noborder" width="100%">';
-		
+
 		print '<tr class="liste_titre">';
 		print '<td width="100">'.$langs->trans("Ref").'</td>';
 		print '<td width="100" align="center">'.$langs->trans("Date").'</td>';
@@ -272,7 +272,7 @@ foreach ($listofreferent as $key => $value)
 				{
 					if ($element->close_code == 'replaced') $qualifiedfortotal=false;	// Replacement invoice
 				}
-				
+
 				$var=!$var;
 				print "<tr ".$bc[$var].">";
 
@@ -294,7 +294,7 @@ foreach ($listofreferent as $key => $value)
 				print '</td>';
 
                 // Amount
-				if (empty($value['disableamount'])) 
+				if (empty($value['disableamount']))
 				{
 					print '<td align="right">';
 					if (! $qualifiedfortotal) print '<strike>';
@@ -304,7 +304,7 @@ foreach ($listofreferent as $key => $value)
 				}
 
                 // Amount
-				if (empty($value['disableamount'])) 
+				if (empty($value['disableamount']))
 				{
 					print '<td align="right">';
 					if (! $qualifiedfortotal) print '<strike>';
@@ -341,30 +341,30 @@ foreach ($listofreferent as $key => $value)
 
 		if ($project->statut > 0)
 		{
-			if ($project->societe->prospect || $project->societe->client)
+			if ($project->thirdparty->prospect || $project->thirdparty->client)
 			{
 				if ($key == 'propal' && ! empty($conf->propal->enabled) && $user->rights->propale->creer)
 				{
-					print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/propal.php?socid='.$project->societe->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddProp").'</a>';
+					print '<a class="butAction" href="'.DOL_URL_ROOT.'/comm/propal.php?socid='.$project->thirdparty->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddProp").'</a>';
 				}
 				if ($key == 'order' && ! empty($conf->commande->enabled) && $user->rights->commande->creer)
 				{
-					print '<a class="butAction" href="'.DOL_URL_ROOT.'/commande/fiche.php?socid='.$project->societe->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddCustomerOrder").'</a>';
+					print '<a class="butAction" href="'.DOL_URL_ROOT.'/commande/fiche.php?socid='.$project->thirdparty->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddCustomerOrder").'</a>';
 				}
 				if ($key == 'invoice' && ! empty($conf->facture->enabled) && $user->rights->facture->creer)
 				{
-					print '<a class="butAction" href="'.DOL_URL_ROOT.'/compta/facture.php?socid='.$project->societe->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddCustomerInvoice").'</a>';
+					print '<a class="butAction" href="'.DOL_URL_ROOT.'/compta/facture.php?socid='.$project->thirdparty->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddCustomerInvoice").'</a>';
 				}
 			}
-			if ($project->societe->fournisseur)
+			if ($project->thirdparty->fournisseur)
 			{
 				if ($key == 'order_supplier' && ! empty($conf->fournisseur->enabled) && $user->rights->fournisseur->commande->creer)
 				{
-					print '<a class="butAction" href="'.DOL_URL_ROOT.'/fourn/facture/fiche.php?socid='.$project->societe->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddSupplierInvoice").'</a>';
+					print '<a class="butAction" href="'.DOL_URL_ROOT.'/fourn/facture/fiche.php?socid='.$project->thirdparty->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddSupplierInvoice").'</a>';
 				}
 				if ($key == 'invoice_supplier' && ! empty($conf->fournisseur->enabled) && $user->rights->fournisseur->facture->creer)
 				{
-					print '<a class="butAction" href="'.DOL_URL_ROOT.'/fourn/commande/fiche.php?socid='.$project->societe->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddSupplierOrder").'</a>';
+					print '<a class="butAction" href="'.DOL_URL_ROOT.'/fourn/commande/fiche.php?socid='.$project->thirdparty->id.'&amp;action=create&amp;origin='.$project->element.'&amp;originid='.$project->id.'">'.$langs->trans("AddSupplierOrder").'</a>';
 				}
 			}
 		}