diff --git a/web_widget_email_check/static/src/js/web_widget_email_check.js b/web_widget_email_check/static/src/js/web_widget_email_check.js
index c141e9c..a493798 100644
--- a/web_widget_email_check/static/src/js/web_widget_email_check.js
+++ b/web_widget_email_check/static/src/js/web_widget_email_check.js
@@ -27,8 +27,15 @@ odoo.define('web.web_widget_email_check', function(require) {
 
   widget.FieldEmail.include({
     is_syntax_valid: function () {
-      var val = this.$('input').val() || '';
-      return ((val.length === 0) || reEmail.test(val));
+      if (this.$input) {
+        var val = this.$input.val() || '';
+        return ((val.length === 0) || reEmail.test(val));
+      } else {
+        return true;
+      }
     }
   });
+
+  return { FieldEmail: widget.FieldEmail };
+
 });
diff --git a/web_widget_url_check/static/src/js/web_widget_url_check.js b/web_widget_url_check/static/src/js/web_widget_url_check.js
index cfd2564..8e27d47 100644
--- a/web_widget_url_check/static/src/js/web_widget_url_check.js
+++ b/web_widget_url_check/static/src/js/web_widget_url_check.js
@@ -27,8 +27,15 @@ odoo.define('web.web_widget_url_check', function(require) {
 
   FieldUrl.include({
     is_syntax_valid: function () {
-      var val = this.$('input').val() || '';
-      return ((val.length === 0) || reUrl.test(val));
+      if (this.$input) {
+        var val = this.$input.val() || '';
+        return ((val.length === 0) || reUrl.test(val));
+      } else {
+        return true;
+      }
     }
   });
+
+  return { FieldUrl: FieldUrl };
+
 });