diff --git a/client/dom/upload-files.js b/client/dom/upload-files.js
index 67d9eb01..accbb203 100644
--- a/client/dom/upload-files.js
+++ b/client/dom/upload-files.js
@@ -8,9 +8,12 @@ const wraptile = require('wraptile/legacy');
 const DOM = require('.');
 const load = require('./load');
 const Images = require('./images');
+const {alert} = require('./dialog');
 
 const {FS} = require('../../common/cloudfunc');
 
+const {TITLE} = CloudCmd;
+
 const onEnd = wraptile(_onEnd);
 const loadFile = wraptile(_loadFile);
 
@@ -58,6 +61,7 @@ function _loadFile(dir, n, file, callback) {
     ++i;
     
     load.put(api + path, file)
+        .on('error', showError)
         .on('end', callback)
         .on('progress', (count) => {
             const max = step(n);
@@ -68,3 +72,7 @@ function _loadFile(dir, n, file, callback) {
         });
 }
 
+function showError({message}) {
+    alert(TITLE, message);
+}
+