diff --git a/src/allmydata/web/welcome.xhtml b/src/allmydata/web/welcome.xhtml
index 492b4ed5e..bcfa3d045 100644
--- a/src/allmydata/web/welcome.xhtml
+++ b/src/allmydata/web/welcome.xhtml
@@ -59,6 +59,7 @@
                   Filename
                   <input type="text" name="filename" />
                 </label>
+                <input type="hidden" name="save" value="true"/>
                 <p><input type="submit" class="btn" value="Download File &#187;" /></p>
               </form>
             </div>