diff --git a/www/js/app.js b/www/js/app.js
index 7d5b8404..c1285010 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -2850,7 +2850,7 @@ define(['jquery', 'zimArchiveLoader', 'uiUtil', 'util', 'cache', 'images', 'sett
 
                 //Load cached start page if it exists and we have loaded the packaged file
                 var htmlContent = 0;
-                var zimName = appstate.selectedArchive._file._files[0].name.replace(/\.[^.]+$/, '').replace('_\d+-\d+$', '');
+                var zimName = appstate.selectedArchive._file._files[0].name.replace(/\.[^.]+$/, '').replace(/_\d+-\d+$/, '');
                 if (params.isLandingPage && params.cachedStartPages[zimName]) {
                     htmlContent = -1;
                     var encURL = encodeURIComponent(encodeURIComponent(params.cachedStartPages[zimName]).replace(/%2F/g, '/')).replace(/%2F/g, '/');