diff --git a/.gitignore b/.gitignore
index a3e39cb09..a513a443e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,3 +35,4 @@ content.log
 cloudflared.exe
 public/assets/
 access.log
+debugLogs/
diff --git a/server.js b/server.js
index b0e424792..4fd3ce569 100644
--- a/server.js
+++ b/server.js
@@ -5274,7 +5274,7 @@ app.post('/asset_download', jsonParser, async (request, response) => {
     try {
         // Download to temp
         const res = await fetch(url);
-        if (!res.ok) {
+        if (!res.ok || res.body === null) {
             throw new Error(`Unexpected response ${res.statusText}`);
         }
         const destination = path.resolve(temp_path);