diff --git a/web/viewer.html b/web/viewer.html
index c7cecbc60..6297668a3 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -253,17 +253,17 @@ http://sourceforge.net/adobe/cmap/wiki/License/
                   </div>
                   <span id="scaleSelectContainer" class="dropdownToolbarButton">
                      <select id="scaleSelect" title="Zoom" tabindex="11" data-l10n-id="zoom">
-                      <option id="pageAutoOption" value="auto" selected="selected" data-l10n-id="page_scale_auto">Automatic Zoom</option>
-                      <option id="pageActualOption" value="page-actual" data-l10n-id="page_scale_actual">Actual Size</option>
-                      <option id="pageFitOption" value="page-fit" data-l10n-id="page_scale_fit">Fit Page</option>
-                      <option id="pageWidthOption" value="page-width" data-l10n-id="page_scale_width">Full Width</option>
-                      <option id="customScaleOption" value="custom"></option>
-                      <option value="0.5">50%</option>
-                      <option value="0.75">75%</option>
-                      <option value="1">100%</option>
-                      <option value="1.25">125%</option>
-                      <option value="1.5">150%</option>
-                      <option value="2">200%</option>
+                      <option id="pageAutoOption" title="" value="auto" selected="selected" data-l10n-id="page_scale_auto">Automatic Zoom</option>
+                      <option id="pageActualOption" title="" value="page-actual" data-l10n-id="page_scale_actual">Actual Size</option>
+                      <option id="pageFitOption" title="" value="page-fit" data-l10n-id="page_scale_fit">Fit Page</option>
+                      <option id="pageWidthOption" title="" value="page-width" data-l10n-id="page_scale_width">Full Width</option>
+                      <option id="customScaleOption" title="" value="custom"></option>
+                      <option title="" value="0.5">50%</option>
+                      <option title="" value="0.75">75%</option>
+                      <option title="" value="1">100%</option>
+                      <option title="" value="1.25">125%</option>
+                      <option title="" value="1.5">150%</option>
+                      <option title="" value="2">200%</option>
                     </select>
                   </span>
                 </div>