diff --git a/src/Jackett.Common/Definitions/ilcorsaroblu.yml b/src/Jackett.Common/Definitions/ilcorsaroblu.yml
index d79df47dc..ca71becdf 100644
--- a/src/Jackett.Common/Definitions/ilcorsaroblu.yml
+++ b/src/Jackett.Common/Definitions/ilcorsaroblu.yml
@@ -10,6 +10,8 @@
   legacylinks:
     - http://ilcorsaroblu.org/
     - https://www.ilcorsaroblu.org/
+  certificates:
+    - e6dd93ef71f96d04559e2bee8cc8e6fd74957730 # incomplete CA chain
 
   caps:
     categorymappings: