diff --git a/test/app.js b/test/app.js
index f707e38..98f7681 100644
--- a/test/app.js
+++ b/test/app.js
@@ -3,7 +3,7 @@ var JSZip  = require('jszip');
 let zip = new JSZip()
 
 new JSZip.external.Promise((resolve, reject)=>{
-    fs.readFile('mythical_man_month__the__essays_on_software_engineering__anniversary_edition.zip',
+    fs.readFile('test/mythical_man_month__the__essays_on_software_engineering__anniversary_edition.zip',
     (err, data)=>{
         if (err){
             reject(err);
@@ -13,10 +13,15 @@ new JSZip.external.Promise((resolve, reject)=>{
     })
 })
 .then((data)=>{
-    return JSZip.loadAsync(data)
+    return JSZip.loadAsync(data, {
+        checkCRC32: true
+    })
 })
 .then((zip)=>{
     console.log(zip)
+    zip.folder('EPUB').forEach((fileName, _)=>{
+        console.log(`${fileName}`)
+    })
 })
 .catch((reason)=>{
     console.log(`Error: ${reason}`)