diff --git a/src/app/api/upload/route.ts b/src/app/api/upload/route.ts
index 5075dc7..ee7e564 100644
--- a/src/app/api/upload/route.ts
+++ b/src/app/api/upload/route.ts
@@ -8,8 +8,11 @@ function getR2() {
   const secretKey = process.env.R2_SECRET_ACCESS_KEY;
   const bucket = process.env.R2_BUCKET_NAME;
 
+  // Debug: log what's available
+  console.log("R2 envs:", { accountId: !!accountId, accessKeyId: !!accessKeyId, secretKey: !!secretKey, bucket: !!bucket });
+
   if (!accountId || !accessKeyId || !secretKey || !bucket) {
-    throw new Error(`Missing R2 config`);
+    throw new Error(`Missing R2 config: accountId=${!!accountId}, accessKeyId=${!!accessKeyId}, secretKey=${!!secretKey}, bucket=${!!bucket}`);
   }
 
   // Use public development URL (from R2 bucket settings)