diff --git a/doc/gmsh.html b/doc/gmsh.html
index 64a3daa74d4dc792ce13cffa956b33e7d2a39316..091ea80a512d023cf5e54d80c273353b0259e30a 100644
--- a/doc/gmsh.html
+++ b/doc/gmsh.html
@@ -199,7 +199,7 @@ thumbnail"></a>
     (S. K. Choi).
 <li>Clipping planes:
     <a href="/gmsh/gallery/clip1.png">pict1</a>,
-    <a href="/gmsh/gallery/clip2.png">pict2</a>.
+    <a href="/gmsh/gallery/clip2.gif">pict2</a>.
 <li>Mechanical part in the demo files: 
     <a href="/gmsh/gallery/piece1.gif">pict1</a>, 
     <a href="/gmsh/gallery/piece2.gif">pict2</a>,