diff --git a/files/templates/submission.html b/files/templates/submission.html
index 7a5d80de39..f2ea66076e 100644
--- a/files/templates/submission.html
+++ b/files/templates/submission.html
@@ -213,7 +213,7 @@
 	{% set maxbugs = 20*p.award_count("shit") if p.award_count("shit") <= 5 else 100 %}
 	<script type="text/javascript">
 		new BugController({
-			imageSprite: "/assets/images/sparkle-sprite.webp",
+			imageSprite: "/assets/images/sparkle-sprite.png",
 			canDie: false,
 			minBugs: {{minbugs}},
 			maxBugs: {{maxbugs}},