diff --git a/htdocs/comm/propal/contact.php b/htdocs/comm/propal/contact.php
index c632f2f3405..02d9016099d 100644
--- a/htdocs/comm/propal/contact.php
+++ b/htdocs/comm/propal/contact.php
@@ -152,7 +152,7 @@ if ($id > 0 || ! empty($ref))
 		 */
 		print '<table class="border" width="100%">';
 
-		$linkback='<a href="'.DOL_URL_ROOT.'/comm/propal/list.php?page='.$page.'&socid='.$socid.'&viewstatut='.$viewstatut.'&sortfield='.$sortfield.'&sortorder='.$sortorder.'">'.$langs->trans("BackToList").'</a>';
+		$linkback='<a href="'.DOL_URL_ROOT.'/comm/propal/list.php'.(! empty($socid)?'?socid='.$socid:'').'">'.$langs->trans("BackToList").'</a>';
 
 		// Ref
 		print '<tr><td width="25%">'.$langs->trans('Ref').'</td><td colspan="3">';
diff --git a/htdocs/comm/propal/note.php b/htdocs/comm/propal/note.php
index 0c90d58b1ac..c2a38762865 100644
--- a/htdocs/comm/propal/note.php
+++ b/htdocs/comm/propal/note.php
@@ -86,7 +86,7 @@ if ($id > 0 || ! empty($ref))
 
 			print '<table class="border" width="100%">';
 
-			$linkback="<a href=\"".DOL_URL_ROOT.'/comm/propal/list.php'."?page=$page&socid=$socid&viewstatut=$viewstatut&sortfield=$sortfield&$sortorder\">".$langs->trans("BackToList")."</a>";
+			$linkback = '<a href="'.DOL_URL_ROOT.'/comm/propal/list.php'.(! empty($socid)?'?socid='.$socid:'').'">'.$langs->trans('BackToList').'</a>';
 
 			// Ref
 			print '<tr><td width="25%">'.$langs->trans('Ref').'</td><td colspan="3">';