diff --git a/libs/utils.js b/libs/utils.js
index 369fa80c..51c9d6aa 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -1143,7 +1143,7 @@ utils.prototype.unzip = function (blobOrUrl, success, error, convertToText, onpr
 
 utils.prototype._unzip_readEntries = function (entries, success, convertToText) {
     var results = {};
-    if (entries == null) {
+    if (entries == null || entries.length == 0) {
         return success(results);
     }
     var length = entries.length;