diff --git a/blog/it-all-starts-with-the-seed.html b/blog/it-all-starts-with-the-seed.html
index a18cd4f..87b1736 100644
--- a/blog/it-all-starts-with-the-seed.html
+++ b/blog/it-all-starts-with-the-seed.html
@@ -192,7 +192,7 @@ footer .built{font-size:13px;color:var(--muted);margin-top:8px}
 
 <article class="article">
 <figure>
-<img src="img/seed-cover.png" width="1600" height="900" loading="lazy" alt="Geometric Seed — cover illustration">
+<img src="img/seed-cover.jpg" width="1600" height="900" loading="lazy" alt="Geometric Seed — cover illustration">
 </figure>
 
 <h2>Forty minutes</h2>