sources.go | 5 +++++

diff --git a/sources.go b/sources.go
index 46c6abe9f9d8b3e7c745dd7de73112fdee39dc28..4fd44673e41b2cc0c5e0ae2122dbef43db17c7e7 100644
--- a/sources.go
+++ b/sources.go
@@ -2,6 +2,7 @@ package torrent
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 
 	"github.com/anacrolix/log"
@@ -66,6 +67,10 @@ 	if resp, err = hc.Do(req); err != nil {
 		return
 	}
 	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		err = fmt.Errorf("unexpected response status code: %v", resp.StatusCode)
+		return
+	}
 	err = bencode.NewDecoder(resp.Body).Decode(&mi)
 	return
 }