diff --git a/doc/_templates/layout.html b/doc/_templates/layout.html
index 17281c735..59c30e401 100644
--- a/doc/_templates/layout.html
+++ b/doc/_templates/layout.html
@@ -90,7 +90,7 @@
       <tr>
         <td valign="top" width="300">
           <h3><a href="{{ pathto('index') }}"><img
-          alt="C++ Boost" src="{{ pathto('_static/' + logo, 1) }}" border="0"></a></h3>
+          alt="C++ Boost" src="{{ pathto('_static/' + 'gil.png', 1) }}" border="0"></a></h3>
         </td>
 
         <td >