diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index 47e178292eb..5df317c0a2a 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -3708,6 +3708,7 @@ class Propal extends CommonObject
 		global $conf, $langs, $user;
 
 		$datas = [];
+		$nofetch = !empty($params['nofetch']);
 
 		if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
 			return ['optimize' => $langs->trans("Proposal")];
@@ -3720,6 +3721,13 @@ class Propal extends CommonObject
 			if (!empty($this->ref)) {
 				$datas['ref'] = '<br><b>'.$langs->trans('Ref').':</b> '.$this->ref;
 			}
+			if (!$nofetch) {
+				$langs->load('companies');
+				if (empty($this->thirdparty)) {
+					$this->fetch_thirdparty();
+				}
+				$datas['customer'] = '<br><b>'.$langs->trans('Customer').':</b> '.$this->thirdparty->name;
+			}
 			if (!empty($this->ref_client)) {
 				$datas['refcustomer'] = '<br><b>'.$langs->trans('RefCustomer').':</b> '.$this->ref_client;
 			}
@@ -3767,6 +3775,7 @@ class Propal extends CommonObject
 			'id' => $this->id,
 			'objecttype' => $this->element,
 			'option' => $option,
+			'nofetch' => 1,
 		];
 		$classfortooltip = 'classfortooltip';
 		$dataparams = '';