diff --git a/web_advanced_search/static/src/js/web_advanced_search.js b/web_advanced_search/static/src/js/web_advanced_search.js
index b5df59d42..72b0e8c51 100644
--- a/web_advanced_search/static/src/js/web_advanced_search.js
+++ b/web_advanced_search/static/src/js/web_advanced_search.js
@@ -168,8 +168,8 @@ odoo.define("web_advanced_search", function(require) {
             // Create dummy record with only the field the user is searching
             const params = {
                 fieldNames: [this.field.name],
-                modelName: this.dataset.model,
-                context: this.dataset.context,
+                modelName: this.field.relation,
+                context: this.field.context,
                 type: "record",
                 viewType: "default",
                 fieldsInfo: {
@@ -203,7 +203,7 @@ odoo.define("web_advanced_search", function(require) {
         start: function() {
             const result = this._super.apply(this, arguments);
             // Render the initial widget
-            result.done($.proxy(this, "show_inputs", $("<input value='='/>")));
+            result.then($.proxy(this, "show_inputs", $("<input value='='/>")));
             return result;
         },