diff --git a/app/views/dmsf_upload/_upload_file.html.erb b/app/views/dmsf_upload/_upload_file.html.erb
index 752be596..2d12f148 100644
--- a/app/views/dmsf_upload/_upload_file.html.erb
+++ b/app/views/dmsf_upload/_upload_file.html.erb
@@ -22,6 +22,7 @@
   <%= hidden_field_tag "committed_files[#{i}][disk_filename]", upload.disk_filename %>
   <%= hidden_field_tag "committed_files[#{i}][token]", upload.token %>
   <%= hidden_field_tag "committed_files[#{i}][digest]", upload.digest %>
+  <%= hidden_field_tag "committed_files[#{i}][size]", upload.size %>
   <div class="splitcontent">
     <div class="splitcontentleft">
       <p>
@@ -56,8 +57,8 @@
         <%= text_field_tag "committed_files[#{i}][mime_type]", h(upload.mime_type), readonly: true %>
       </p>
       <p>
-        <%= label_tag "committed_files[#{i}][size]", l(:label_size) %>
-        <%= text_field_tag "committed_files[#{i}][size]", number_to_human_size(upload.size), readonly: true %>
+        <%= label_tag "committed_files[#{i}][human_size]", l(:label_size) %>
+        <%= text_field_tag "committed_files[#{i}][human_size]", number_to_human_size(upload.size), readonly: true %>
       </p>
     </div>
     <div class="splitcontentright">
diff --git a/app/views/dmsf_upload/_upload_file_locked.html.erb b/app/views/dmsf_upload/_upload_file_locked.html.erb
index 49fef6e9..abd01f67 100644
--- a/app/views/dmsf_upload/_upload_file_locked.html.erb
+++ b/app/views/dmsf_upload/_upload_file_locked.html.erb
@@ -47,8 +47,8 @@
         <%= text_field_tag "committed_files[#{i}][mime_type]", upload.mime_type, readonly: true %>
       </p>
       <p>
-        <%= label_tag "committed_files[#{i}][size]", l(:label_size) %>
-        <%= text_field_tag "committed_files[#{i}][size]", number_to_human_size(upload.size), readonly: true %>
+        <%= label_tag "committed_files[#{i}][human_size]", l(:label_size) %>
+        <%= text_field_tag "committed_files[#{i}][human_size]", number_to_human_size(upload.size), readonly: true %>
       </p>
     </div>
     <div class="splitcontentright">
diff --git a/assets/javascripts/attachments_dmsf.js b/assets/javascripts/attachments_dmsf.js
index 357ed155..9a6b885a 100644
--- a/assets/javascripts/attachments_dmsf.js
+++ b/assets/javascripts/attachments_dmsf.js
@@ -207,8 +207,10 @@ function dmsfAddFile(inputEl, file, eagerUpload) {
             detailsForm = detailsForm.replace('id="committed_files_' + attachmentId + '_title"',
                 'id="committed_files_' + attachmentId + '_title" value = "' + filenameToTitle(file.name) + '"');
             // Size
-            detailsForm = detailsForm.replace('id="committed_files_' + attachmentId + '_size"',
-                'id="committed_files_' + attachmentId + '_size" value = "' + humanFileSize(file.size) + '"');
+            detailsForm = detailsForm.replace('id="committed_files_' + attachmentId + '_human_size"',
+                'id="committed_files_' + attachmentId + '_human_size" value = "' + humanFileSize(file.size) + '"');
+            detailsForm = detailsForm.replace('id="committed_files_' + attachmentId + '_size" value="0"',
+                'id="committed_files_' + attachmentId + '_size" value = "' + file.size + '"');
             // Mime type
             detailsForm = detailsForm.replace('id="committed_files_' + attachmentId + '_mime_type"',
                 'id="committed_files_' + attachmentId + '_mime_type" value = "' + file.type + '"');