diff --git a/web_tree_many2one_clickable/static/src/js/web_tree_many2one_clickable.js b/web_tree_many2one_clickable/static/src/js/web_tree_many2one_clickable.js
index f46a18e8..6c8e365e 100644
--- a/web_tree_many2one_clickable/static/src/js/web_tree_many2one_clickable.js
+++ b/web_tree_many2one_clickable/static/src/js/web_tree_many2one_clickable.js
@@ -48,7 +48,7 @@ openerp.web_tree_many2one_clickable = function(instance, local)
                     .first()
                     .then(function(param) {
                         if (param) {
-                            self.use_many2one_clickable = ((param.value == 'True') or (param.value == 'true'));
+                            self.use_many2one_clickable = (param.value.toLowerCase() == 'true');
                         }
                         self.ir_option_clickable_loaded.resolve();
                     });