diff --git a/htdocs/opensurvey/list.php b/htdocs/opensurvey/list.php
index 3dc42def482..b05abe3fd40 100644
--- a/htdocs/opensurvey/list.php
+++ b/htdocs/opensurvey/list.php
@@ -107,7 +107,8 @@ $arrayfields = dol_sort_array($arrayfields, 'position');
 
 $permissiontoread = $user->rights->opensurvey->read;
 $permissiontoadd = $user->rights->opensurvey->write;
-$permissiontodelete = $user->rights->opensurvey->delete;
+// permission delete doesn't exists
+$permissiontodelete = $user->rights->opensurvey->write;
 
 
 /*