diff --git a/examples/uartUploadZIP.html b/examples/uartUploadZIP.html
index c3cdd01..052a7c4 100644
--- a/examples/uartUploadZIP.html
+++ b/examples/uartUploadZIP.html
@@ -44,7 +44,7 @@
         promise = promise
         .then(() => {
           setStatus("Decompressing"+path);
-          return file.async("string");
+          return file.async("binarystring");
         }).then(data => {
           if (data.length==0) {
             console.log("Can't restore files of length 0, ignoring "+path);