diff --git a/.env.example b/.env.example
index ad0cad027..2b6f18e22 100644
--- a/.env.example
+++ b/.env.example
@@ -120,9 +120,10 @@ PROXY_DETECTION_THRESHOLD=50
 PROXY_DETECTION_WINDOW_SECONDS=3600
 PROXY_DETECTION_RATIO_MIN=0.8
 PROXY_DETECTION_MIN_SEARCHES=20
-# Only apps that fetch NZBs directly from the indexer (NZBHydra2/Prowlarr/Jackett). The *arr suite
-# (Sonarr, Radarr, Lidarr, Readarr, Bazarr) only searches and never downloads from the indexer.
-PROXY_DETECTION_INDEXER_REFERER_PATTERNS=hydra,prowlarr,jackett
+# Only apps that fetch NZBs directly from the indexer (NZBHydra2/Prowlarr). The *arr suite (Sonarr,
+# Radarr, Lidarr, Readarr, Bazarr) only searches, and Jackett is torrent-only (Torznab) so it never
+# queries a Usenet/newznab indexer — none of them download NZBs from here.
+PROXY_DETECTION_INDEXER_REFERER_PATTERNS=hydra,prowlarr
 
 APP_LOCALE=en
 APP_FALLBACK_LOCALE=en
diff --git a/config/nntmux.php b/config/nntmux.php
index 287d4165e..feb478f05 100644
--- a/config/nntmux.php
+++ b/config/nntmux.php
@@ -32,11 +32,12 @@ return [
     'proxy_detection_window_seconds' => (int) env('PROXY_DETECTION_WINDOW_SECONDS', 3600),
     'proxy_detection_ratio_min' => (float) env('PROXY_DETECTION_RATIO_MIN', 0.8),
     'proxy_detection_min_searches' => (int) env('PROXY_DETECTION_MIN_SEARCHES', 20),
-    // Only apps that fetch NZBs directly from the indexer belong here. NZBHydra2/Prowlarr (and Jackett,
-    // which proxies torrent/NZB downloads) issue their own download requests. The *arr suite (Sonarr,
-    // Radarr, Lidarr, Readarr, Bazarr) only search — directly or via Prowlarr/NZBHydra2 — and never
-    // download from the indexer, so listing them here would only risk false positives.
-    'proxy_detection_indexer_referer_patterns' => env('PROXY_DETECTION_INDEXER_REFERER_PATTERNS', 'hydra,prowlarr,jackett'),
+    // Only apps that fetch NZBs directly from the indexer belong here. NZBHydra2 and Prowlarr issue their
+    // own download requests, so they can proxy an NZB fetch. The *arr suite (Sonarr, Radarr, Lidarr,
+    // Readarr, Bazarr) only search — directly or via Prowlarr/NZBHydra2 — and never download from the
+    // indexer, so listing them here would only risk false positives. Jackett is torrent-only (Torznab)
+    // and cannot query a newznab/Usenet indexer, so it never fetches NZBs here either.
+    'proxy_detection_indexer_referer_patterns' => env('PROXY_DETECTION_INDEXER_REFERER_PATTERNS', 'hydra,prowlarr'),
 
     /*
     |--------------------------------------------------------------------------
diff --git a/tests/Unit/BlockAbusiveServicesTest.php b/tests/Unit/BlockAbusiveServicesTest.php
index 66a4a4c91..9c0770341 100644
--- a/tests/Unit/BlockAbusiveServicesTest.php
+++ b/tests/Unit/BlockAbusiveServicesTest.php
@@ -307,7 +307,7 @@ class BlockAbusiveServicesTest extends TestCase
         config()->set('nntmux.proxy_detection_window_seconds', 3600);
         config()->set('nntmux.proxy_detection_ratio_min', 0.8);
         config()->set('nntmux.proxy_detection_min_searches', 20);
-        config()->set('nntmux.proxy_detection_indexer_referer_patterns', 'hydra,prowlarr,jackett');
+        config()->set('nntmux.proxy_detection_indexer_referer_patterns', 'hydra,prowlarr');
 
         $this->app->instance(
             CacheRepositoryContract::class,
diff --git a/tests/Unit/IndexerProxyDetectorTest.php b/tests/Unit/IndexerProxyDetectorTest.php
index f419a5068..19495d3bf 100644
--- a/tests/Unit/IndexerProxyDetectorTest.php
+++ b/tests/Unit/IndexerProxyDetectorTest.php
@@ -303,7 +303,7 @@ class IndexerProxyDetectorTest extends TestCase
         config()->set('nntmux.proxy_detection_min_searches', $overrides['min_searches'] ?? 20);
         config()->set(
             'nntmux.proxy_detection_indexer_referer_patterns',
-            $overrides['referer_patterns'] ?? 'hydra,prowlarr,jackett',
+            $overrides['referer_patterns'] ?? 'hydra,prowlarr',
         );
     }