diff --git a/demos/side-by-side/index.html.in b/demos/side-by-side/index.html.in
index 38b77955dd..1865bc9f00 100644
--- a/demos/side-by-side/index.html.in
+++ b/demos/side-by-side/index.html.in
@@ -24,6 +24,7 @@
             <tr>
                 <td><div id="domMousePosition" class="mouseposition"></div></td>
                 <td><div id="webglMousePosition" class="mouseposition"></div></td>
+            </tr>
             <tr>
                 <td colspan="2">
                     <div id="attribution" class="attribution"></div>