diff --git a/gr-messageoftheday/gr-messageoftheday-banner.js b/gr-messageoftheday/gr-messageoftheday-banner.js
index ae84e85..1a351a9 100644
--- a/gr-messageoftheday/gr-messageoftheday-banner.js
+++ b/gr-messageoftheday/gr-messageoftheday-banner.js
@@ -57,7 +57,7 @@
   }
 
   _isHidden() {
-    this._hidden = window.util.getCookie(`msg-${this._message.id}`) === '1';
+    this._hidden = document.cookie.search(`msg-${this._message.id}=`) > -1;
   }
 }