diff --git a/src/providers/pornhub.rs b/src/providers/pornhub.rs
index f8429aa..8860a35 100644
--- a/src/providers/pornhub.rs
+++ b/src/providers/pornhub.rs
@@ -926,8 +926,8 @@ impl PornhubThumbPolicy {
             return false;
         }
         let Some(host) = url.host_str() else { return false; };
-        // Allow official Pornhub hosts and their CDN hosts
-        host.contains("phncdn") || host.ends_with("pornhub.com")
+        // Only allow the specific Pornhub CDN host used for thumbnails
+        host.eq_ignore_ascii_case("pix-cdn77.phncdn.com")
     }
 }