diff --git a/src/Jackett.Common/Definitions/52bt.yml b/src/Jackett.Common/Definitions/52bt.yml
index f7699514b..38c59ecd7 100644
--- a/src/Jackett.Common/Definitions/52bt.yml
+++ b/src/Jackett.Common/Definitions/52bt.yml
@@ -78,9 +78,12 @@ search:
     details:
       selector: a[href^="/hash/"]
       attribute: href
-    magnet:
+    infohash:
       selector: a[href^="magnet:?xt="]
       attribute: href
+      filters:
+        - name: regexp
+          args: ([A-F|a-f|0-9]{40})
     date:
       selector: div.sbar > span:contains("添加时间:") > b
       filters: