diff --git a/src/Jackett.Common/Indexers/ImmortalSeed.cs b/src/Jackett.Common/Indexers/ImmortalSeed.cs
index d6912de42..bba0f41e6 100644
--- a/src/Jackett.Common/Indexers/ImmortalSeed.cs
+++ b/src/Jackett.Common/Indexers/ImmortalSeed.cs
@@ -127,7 +127,7 @@ namespace Jackett.Common.Indexers
 
             var response = await RequestLoginAndFollowRedirect(LoginUrl, pairs, null, true, null, LoginUrl);
 
-            await ConfigureIfOK(response.Cookies, response.ContentString.Contains("You have successfully logged in"), () =>
+            await ConfigureIfOK(response.Cookies, response.ContentString.Contains("logout.php"), () =>
             {
                 var errorMessage = response.ContentString;
                 throw new ExceptionWithConfigData(errorMessage, configData);