diff --git a/test.html b/test.html
index cccdcb0..724265d 100644
--- a/test.html
+++ b/test.html
@@ -7,7 +7,7 @@
             <iframe class="responsive-iframe" src="tools/geometry/index.html"></iframe>
           </div>
           <div>
-            <iframe id="pdf-js-viewer" src="/web/viewer.html?file=pdf/web/compressed.tracemonkey-pldi-09.pdf" title="webviewer" frameborder="0" width="500" height="600"></iframe>
+            <iframe id="pdf-js-viewer" src="pdf/web/viewer.html?file=%2pdf%2web%2Fcompressed.tracemonkey-pldi-09.pdf" title="webviewer" frameborder="0" width="500" height="600"></iframe>
           </div>
     </body>
     <style>