diff --git a/src/lib/integrations/deluge.service.ts b/src/lib/integrations/deluge.service.ts
index 377467f..1ca4ea5 100644
--- a/src/lib/integrations/deluge.service.ts
+++ b/src/lib/integrations/deluge.service.ts
@@ -193,6 +193,7 @@ export class DelugeService implements IDownloadClient {
       torrentResponse = await axios.get(torrentUrl, {
         responseType: 'arraybuffer', maxRedirects: 0,
         validateStatus: (s) => s >= 200 && s < 300, timeout: DOWNLOAD_CLIENT_TIMEOUT,
+        headers: { 'User-Agent': RMAB_USER_AGENT },
       });
       if (torrentResponse.data.length > 0) {
         const magnetMatch = torrentResponse.data.toString().match(/^magnet:\?[^\s]+$/);
@@ -205,7 +206,7 @@ export class DelugeService implements IDownloadClient {
         const loc = error.response.headers['location'];
         if (loc?.startsWith('magnet:')) return this.addMagnetLink(loc, category, options);
         if (loc?.startsWith('http://') || loc?.startsWith('https://')) {
-          try { torrentResponse = await axios.get(loc, { responseType: 'arraybuffer', timeout: DOWNLOAD_CLIENT_TIMEOUT, maxRedirects: 5 }); }
+          try { torrentResponse = await axios.get(loc, { responseType: 'arraybuffer', timeout: DOWNLOAD_CLIENT_TIMEOUT, maxRedirects: 5, headers: { 'User-Agent': RMAB_USER_AGENT } }); }
           catch { throw new Error('Failed to download torrent file after redirect'); }
         } else { throw new Error(`Invalid redirect location: ${loc}`); }
       } else { throw new Error(`Failed to download torrent: HTTP ${status}`); }
diff --git a/src/lib/integrations/prowlarr.service.ts b/src/lib/integrations/prowlarr.service.ts
index 90128ff..2e32865 100644
--- a/src/lib/integrations/prowlarr.service.ts
+++ b/src/lib/integrations/prowlarr.service.ts
@@ -318,7 +318,7 @@ export class ProwlarrService {
           extended: 1,
         },
         headers: {
-          'User-Agent': 'ReadMeABook',
+          'User-Agent': RMAB_USER_AGENT,
         },
         timeout: DOWNLOAD_CLIENT_TIMEOUT,
         responseType: 'text', // Get XML as text
diff --git a/src/lib/integrations/transmission.service.ts b/src/lib/integrations/transmission.service.ts
index 4cc7ce5..8705873 100644
--- a/src/lib/integrations/transmission.service.ts
+++ b/src/lib/integrations/transmission.service.ts
@@ -278,6 +278,7 @@ export class TransmissionService implements IDownloadClient {
         maxRedirects: 0,
         validateStatus: (status) => status >= 200 && status < 300,
         timeout: DOWNLOAD_CLIENT_TIMEOUT,
+        headers: { 'User-Agent': RMAB_USER_AGENT },
       });
 
       // Check if response body is a magnet link
@@ -307,6 +308,7 @@ export class TransmissionService implements IDownloadClient {
               responseType: 'arraybuffer',
               timeout: DOWNLOAD_CLIENT_TIMEOUT,
               maxRedirects: 5,
+              headers: { 'User-Agent': RMAB_USER_AGENT },
             });
           } catch {
             throw new Error('Failed to download torrent file after redirect');
diff --git a/src/lib/services/ebook-scraper.ts b/src/lib/services/ebook-scraper.ts
index d847e6d..a22f627 100644
--- a/src/lib/services/ebook-scraper.ts
+++ b/src/lib/services/ebook-scraper.ts
@@ -20,7 +20,6 @@ export interface EbookDownloadResult {
   error?: string;
 }
 
-const USER_AGENT = RMAB_USER_AGENT;
 const REQUEST_DELAY_MS = 1500; // 1.5 second delay between requests
 const DOWNLOAD_TIMEOUT_MS = 60000; // 60 seconds per download attempt
 const MAX_SLOW_LINK_ATTEMPTS = 5;
@@ -114,7 +113,7 @@ async function fetchHtml(
   moduleLogger.debug(`Using direct request for: ${url}`);
   const response = await retryRequest(() =>
     axios.get(url, {
-      headers: { 'User-Agent': USER_AGENT },
+      headers: { 'User-Agent': RMAB_USER_AGENT },
       timeout: 30000,
     })
   );
@@ -655,7 +654,7 @@ async function downloadFile(
     const response = await axios.get(url, {
       responseType: 'stream',
       timeout: DOWNLOAD_TIMEOUT_MS,
-      headers: { 'User-Agent': USER_AGENT },
+      headers: { 'User-Agent': RMAB_USER_AGENT },
       maxRedirects: 5,
     });