diff --git a/sponsor_incl.html b/sponsor_incl.html
index 5c9ace6..e19f41a 100644
--- a/sponsor_incl.html
+++ b/sponsor_incl.html
@@ -10,7 +10,7 @@ project:
 <TD ALIGN=CENTER>
 <a href="http://www.sourceforge.net"><img src="images/sflogo.png" border=0 alt="SourceForge"></a>
 <BR>
-<a href="http://www.planetquake.com/aftershock/"><img src="images/aftershock_logo.jpg" border=0 alt="Aftershock"></a>
+<a href="http://www.planetquake.com/aftershock/"><img src="images/aftershock_logo.png" border=0 alt="Aftershock"></a>
 </TD>
 <TD ALIGN=CENTER>
 <a href="http://www.valinux.com/"><img src="images/valinux2.png" border=0 alt="VA Linux"></a>