diff --git a/web/viewer.html b/web/viewer.html
index 3c914f81a..f993da7b5 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -296,7 +296,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                     <span data-l10n-id="next_label">Next</span>
                   </button>
                 </div>
-                <input type="number" id="pageNumber" class="toolbarField" title="Page" value="1" size="4" min="1" tabindex="15" data-l10n-id="page" autocomplete="off">
+                <input type="number" id="pageNumber" class="toolbarField" title="Page" value="1" min="1" tabindex="15" data-l10n-id="page" autocomplete="off">
                 <span id="numPages" class="toolbarLabel"></span>
               </div>
               <div id="toolbarViewerRight">