diff --git a/templates/viewer.php b/templates/viewer.php
index f05e42af..a51b2e94 100644
--- a/templates/viewer.php
+++ b/templates/viewer.php
@@ -227,7 +227,7 @@
                   <span data-l10n-id="print_label">Print</span>
                 </button>
 
-                <button id="download" class="toolbarButton download hiddenMediumView" title="Download" tabindex="34" data-l10n-id="download">
+                <button id="download" class="toolbarButton download hiddenMediumView" title="Download" tabindex="34" data-l10n-id="download" hidden="true">
                   <span data-l10n-id="download_label">Download</span>
                 </button>
                 <a href="#" id="viewBookmark" class="toolbarButton bookmark hiddenSmallView" title="Current view (copy or open in new window)" tabindex="35" data-l10n-id="bookmark">