diff --git a/_layouts/default.html b/_layouts/default.html
index 5bc1231..6069a0d 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -133,7 +133,7 @@
       </li>
       <li>
         <a href="https://cast.ai/samuel">
-          <img width="" src="assets/cast-ai" />
+          <img width="" src="assets/sponsor-cast-ai.png" />
         </a>
       </li>
       <li>