diff --git a/torrt/base_tracker.py b/torrt/base_tracker.py
index f429dfa..e3145db 100644
--- a/torrt/base_tracker.py
+++ b/torrt/base_tracker.py
@@ -96,10 +96,7 @@ def pick_mirror(self, url: str) -> str:
                     silence_exceptions=True,
                 )
 
-                if response is None:
-                    continue
-
-                if response.url.startswith(mirror_url):
+                if response and response.ok and response.url.startswith(mirror_url):
                     mirror_picked = mirror_domain
                     break