diff --git a/runbot/controllers/frontend.py b/runbot/controllers/frontend.py
index 76273899..18ca8e70 100644
--- a/runbot/controllers/frontend.py
+++ b/runbot/controllers/frontend.py
@@ -512,7 +512,7 @@ class Runbot(Controller):
             ('slot_ids.batch_id.bundle_id', '=', bundle_id),
             ('params_id.trigger_id', '=', trigger.id),
         ]
-        builds = request.env['runbot.build']
+        builds = request.env['runbot.build'].with_context(active_test=False)
         if center_build_id:
             builds = builds.search(
                 expression.AND([builds_domain, [('id', '>=', center_build_id)]]), 
diff --git a/runbot/static/src/js/json_field.js b/runbot/static/src/js/json_field.js
index 41cb8b44..520b5997 100644
--- a/runbot/static/src/js/json_field.js
+++ b/runbot/static/src/js/json_field.js
@@ -42,13 +42,21 @@ var FrontendUrl = relational_fields.FieldMany2One.extend({
     events: _.extend({'click .external_link': '_stopPropagation'}, relational_fields.FieldMany2One.prototype.events),
     init() {
         this._super.apply(this, arguments);
-        const model = this.value.model.split('.').slice(1).join('_')
-        const res_id = this.value.res_id
-        this.route = '/runbot/' + model+ '/' + res_id
+        if (this.value) {
+            const model = this.value.model.split('.').slice(1).join('_');
+            const res_id = this.value.res_id;
+            this.route = '/runbot/' + model+ '/' + res_id;
+        } else {
+            this.route = false;
+        }
     },
     _renderReadonly: function () {
         this._super.apply(this, arguments);
-        this.$el.html('<span>' + this.$el.html() + ' <a href="'+this.route+'" ><i class="external_link fa fa-fw o_button_icon fa-external-link "/></a><span>')
+        var link = ''
+        if (this.route) {
+            link = ' <a href="'+this.route+'" ><i class="external_link fa fa-fw o_button_icon fa-external-link "/></a>'
+        }
+        this.$el.html('<span>' + this.$el.html() + link + '<span>')
     },
     _stopPropagation: function(event) {
         event.stopPropagation()