diff --git a/src/cdn/downloadWithCurl.ts b/src/cdn/downloadWithCurl.ts
index 6e8ed4d..ffa9dee 100644
--- a/src/cdn/downloadWithCurl.ts
+++ b/src/cdn/downloadWithCurl.ts
@@ -13,7 +13,7 @@ const CHECK_INTERVAL = 15;
  */
 export default function downloadWithCurl({ host, path, tempFileName }: {host: string, path: string, tempFileName: string}): Promise<string> {
   return new Promise(function(resolve, reject) {
-    const url = `http://${host}${(path.substr(0, 1) === '/' ? '' : '/')}${path}`;
+    const url = `http://${host}${(path[0] === '/' ? '' : '/')}${path}`;
 
     const parameters: string[] = [
       //...
@@ -36,7 +36,7 @@ export default function downloadWithCurl({ host, path, tempFileName }: {host: st
       if (code === 0) {
         resolve(tempFileName);
       } else if (code === 28) {
-        reject(`Download speed too slow, will restart "${url}".`);
+        reject(`Download speed too slow, restarting "${path.includes('/') ? path.substr(path.lastIndexOf('/')) : path}".`);
       } else {
         reject(`Error in process:\n> curl ${parameters.join(' ')}\nNon-zero exit code ${code}.`);
       }