diff --git a/apps/meteor/app/assets/server/assets.ts b/apps/meteor/app/assets/server/assets.ts
index 84ed75f8480e..8fe2e76cb85e 100644
--- a/apps/meteor/app/assets/server/assets.ts
+++ b/apps/meteor/app/assets/server/assets.ts
@@ -495,7 +495,7 @@ const listener = Meteor.bindEnvironment((req: IncomingMessage, res: ServerRespon
 	const asset = getAssetByKey(params.asset);
 	const file = asset?.cache;
 
-	const format = req.url.split('.').pop() || '';
+	const format = req.url.replace(/.*\.([a-z]+)(?:$|\?.*)/i, '$1');
 
 	if (asset && Array.isArray(asset.constraints.extensions) && !asset.constraints.extensions.includes(format)) {
 		res.writeHead(403);