diff --git a/lib/ComicBook.js b/lib/ComicBook.js
index 4779605..a2233e8 100755
--- a/lib/ComicBook.js
+++ b/lib/ComicBook.js
@@ -67,7 +67,7 @@ var ComicBook = (function ($) {
     this.isMobile = false;
 
     // mobile enhancements
-    if (navigator.userAgent.match(/mobile/i)) {
+    if (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini|Mobile/i.test(navigator.userAgent)) {
       this.isMobile = true;
       document.body.classList.add('mobile');
       defaults.displayMode = 'single';