diff --git a/server.py b/server.py
index 4e6aaf7..9212254 100644
--- a/server.py
+++ b/server.py
@@ -243,10 +243,12 @@ def preview_url(
                     "User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0"
                 },
             )
-            response.raise_for_status()
+            if response.status_code not in range(200, 400):
+                response.raise_for_status()
             while response.next_request and response.next_request.url.host == response.url.host:
                 response = client.send(response.next_request)
-                response.raise_for_status()
+                if response.status_code not in range(200, 400):
+                    response.raise_for_status()
     except httpx.HTTPError as e:
         raise HTTPException(500, f"Failed to fetch URL: {e!r}")