diff --git a/src/Jackett/Indexers/FunFile.cs b/src/Jackett/Indexers/FunFile.cs
index 5a604efc8..1536df469 100644
--- a/src/Jackett/Indexers/FunFile.cs
+++ b/src/Jackett/Indexers/FunFile.cs
@@ -49,7 +49,9 @@ namespace Jackett.Indexers
 
         public async Task<IndexerConfigurationStatus> ApplyConfiguration(JToken configJson)
         {
-            configData.LoadValuesFromJson(configJson);
+            if (configJson != null)
+                configData.LoadValuesFromJson(configJson);
+
             var pairs = new Dictionary<string, string> {
                 { "username", configData.Username.Value },
                 { "password", configData.Password.Value },
@@ -92,6 +94,14 @@ namespace Jackett.Indexers
             searchUrl += "?" + queryCollection.GetQueryString();
 
             var results = await RequestStringWithCookiesAndRetry(searchUrl);
+
+            // Occasionally the cookies become invalid, login again if that happens
+            if (results.IsRedirect)
+            {
+                await ApplyConfiguration(null);
+                results = await RequestStringWithCookiesAndRetry(searchUrl);
+            }
+
             try
             {
                 CQ dom = results.Content;
diff --git a/src/Jackett/Indexers/ImmortalSeed.cs b/src/Jackett/Indexers/ImmortalSeed.cs
index 245a9e80e..9775a218a 100644
--- a/src/Jackett/Indexers/ImmortalSeed.cs
+++ b/src/Jackett/Indexers/ImmortalSeed.cs
@@ -69,7 +69,9 @@ namespace Jackett.Indexers
 
         public async Task<IndexerConfigurationStatus> ApplyConfiguration(JToken configJson)
         {
-            configData.LoadValuesFromJson(configJson);
+            if (configJson != null)
+                configData.LoadValuesFromJson(configJson);
+
             var pairs = new Dictionary<string, string> {
                 { "username", configData.Username.Value },
                 { "password", configData.Password.Value }
@@ -99,6 +101,13 @@ namespace Jackett.Indexers
 
             var results = await RequestStringWithCookiesAndRetry(searchUrl);
 
+            // Occasionally the cookies become invalid, login again if that happens
+            if (results.Content.Contains("You do not have permission to access this page."))
+            {
+                await ApplyConfiguration(null);
+                results = await RequestStringWithCookiesAndRetry(searchUrl);
+            }
+
             try
             {
                 CQ dom = results.Content;