diff --git a/checkpoint.js b/checkpoint.js
index dd873c8..238ea60 100644
--- a/checkpoint.js
+++ b/checkpoint.js
@@ -737,9 +737,8 @@ function CheckpointMiddleware() {
           }
         }
 
-        // Only checkpoint requests explicitly accepting 'text/html'
-        const acceptHeader = request.headers.get('accept') || '';
-        if (!acceptHeader.toLowerCase().includes('text/html')) {
+        // Skip checkpoint for requests that don't accept HTML
+        if (!req.accepts('html')) {
           return next();
         }