diff --git a/src/Jackett.Common/Definitions/acgsou.yml b/src/Jackett.Common/Definitions/acgsou.yml
index d4c3e0ab2..3b04e6930 100644
--- a/src/Jackett.Common/Definitions/acgsou.yml
+++ b/src/Jackett.Common/Definitions/acgsou.yml
@@ -61,6 +61,10 @@ search:
     # https://www.acgsou.com/search.php?keyword=test
     - path: "{{ if .Keywords }}search.php?keyword={{ .Keywords }}{{ else }}1.html{{ end }}"
 
+  headers:
+    # site blocks Jackett's Linux User-Agent, so use Jackett's Windows User-Agent instead
+    User-Agent: ["Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36"]
+
   rows:
     selector: table tbody tr[class^="alt"]:has(td:nth-child(3) a)