diff --git a/config/bootstrap/dispatcher.php b/config/bootstrap/dispatcher.php
index e5d5dd2..c01f919 100644
--- a/config/bootstrap/dispatcher.php
+++ b/config/bootstrap/dispatcher.php
@@ -50,7 +50,11 @@
 
 	// Render the toolbar (unless it's an asset from the li3_perf library)
 	// Why? See li3_perf\extensions\util\Asset
-	if(!isset($params['request']->params['asset_type'])) {
+	$content_type = isset($result->headers['Content-Type']) ? join('', explode(';', $result->headers['Content-Type'], 1)) : '';
+	if(
+		!isset($params['request']->params['asset_type']) &&
+		(!$content_type || $content_type == 'text/html')
+	)
 		$skip = false;
 		$li3_perf = Libraries::get('li3_perf');
 		if(isset($li3_perf['skip'])) {