diff --git a/apps/api/src/controllers/v0/scrape.ts b/apps/api/src/controllers/v0/scrape.ts
index 987e877c..f5dbc3d1 100644
--- a/apps/api/src/controllers/v0/scrape.ts
+++ b/apps/api/src/controllers/v0/scrape.ts
@@ -245,7 +245,7 @@ export async function scrapeController(req: Request, res: Response) {
       }
       if (creditsToBeBilled > 0) {
         // billing for doc done on queue end, bill only for llm extraction
-        billTeam(team_id, chunk.sub_id, creditsToBeBilled).catch(error => {
+        billTeam(team_id, chunk?.sub_id, creditsToBeBilled).catch(error => {
           Logger.error(`Failed to bill team ${team_id} for ${creditsToBeBilled} credits: ${error}`);
           // Optionally, you could notify an admin or add to a retry queue here
         });
diff --git a/apps/api/src/scraper/WebScraper/sitemap.ts b/apps/api/src/scraper/WebScraper/sitemap.ts
index 13dfc26e..d93403c8 100644
--- a/apps/api/src/scraper/WebScraper/sitemap.ts
+++ b/apps/api/src/scraper/WebScraper/sitemap.ts
@@ -23,7 +23,7 @@ export async function getLinksFromSitemap(
         const response = await axios.get(sitemapUrl, { timeout: axiosTimeout });
         content = response.data;
       } else if (mode === 'fire-engine') {
-        const response = await scrapWithFireEngine({ url: sitemapUrl, fireEngineOptions: { engine:"tlsclient", disableJsDom: true, mobileProxy: true } });
+        const response = await scrapWithFireEngine({ url: sitemapUrl, fireEngineOptions: { engine:"chrome-cdp" } });
         content = response.html;
       }
     } catch (error) {
diff --git a/apps/api/src/services/queue-worker.ts b/apps/api/src/services/queue-worker.ts
index b18f372b..aaad7f52 100644
--- a/apps/api/src/services/queue-worker.ts
+++ b/apps/api/src/services/queue-worker.ts
@@ -159,7 +159,7 @@ const workerFun = async (
           }, {
             ...job.opts,
             jobId: job.id,
-            priority: Math.round((job.opts.priority ?? 10) * 1.25), // exponential backoff for stuck jobs
+            priority: newJobPriority, // exponential backoff for stuck jobs
           });
 
           await sleep(gotJobInterval);