diff --git a/src/NzbDrone.Core/Applications/Lidarr/Lidarr.cs b/src/NzbDrone.Core/Applications/Lidarr/Lidarr.cs
index 9e7cba5f4..bcbfa14f7 100644
--- a/src/NzbDrone.Core/Applications/Lidarr/Lidarr.cs
+++ b/src/NzbDrone.Core/Applications/Lidarr/Lidarr.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using FluentValidation.Results;
+using Newtonsoft.Json.Linq;
 using NLog;
 using NzbDrone.Common.Cache;
 using NzbDrone.Common.Extensions;
@@ -116,6 +117,7 @@ namespace NzbDrone.Core.Applications.Lidarr
             lidarrIndexer.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value = $"{Settings.ProwlarrUrl}/api/v1/indexer/{indexer.Id}/";
             lidarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiPath").Value = "/newznab";
             lidarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiKey").Value = _configFileProvider.ApiKey;
+            lidarrIndexer.Fields.FirstOrDefault(x => x.Name == "categories").Value = JArray.FromObject(indexer.Capabilities.Categories.SupportedCategories(Settings.SyncCategories.ToArray()));
 
             return lidarrIndexer;
         }
diff --git a/src/NzbDrone.Core/Applications/Lidarr/LidarrIndexer.cs b/src/NzbDrone.Core/Applications/Lidarr/LidarrIndexer.cs
index ef92105fe..8b63f7b0b 100644
--- a/src/NzbDrone.Core/Applications/Lidarr/LidarrIndexer.cs
+++ b/src/NzbDrone.Core/Applications/Lidarr/LidarrIndexer.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using Newtonsoft.Json.Linq;
 
 namespace NzbDrone.Core.Applications.Lidarr
 {
@@ -28,6 +29,7 @@ namespace NzbDrone.Core.Applications.Lidarr
             var baseUrl = (string)Fields.FirstOrDefault(x => x.Name == "baseUrl").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value;
             var apiPath = (string)Fields.FirstOrDefault(x => x.Name == "apiPath").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiPath").Value;
             var apiKey = (string)Fields.FirstOrDefault(x => x.Name == "apiKey").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiKey").Value;
+            var cats = JToken.DeepEquals((JArray)Fields.FirstOrDefault(x => x.Name == "categories").Value, (JArray)other.Fields.FirstOrDefault(x => x.Name == "categories").Value);
 
             return other.EnableRss == EnableRss &&
                 other.EnableAutomaticSearch == EnableAutomaticSearch &&
@@ -36,7 +38,7 @@ namespace NzbDrone.Core.Applications.Lidarr
                 other.Implementation == Implementation &&
                 other.Priority == Priority &&
                 other.Id == Id &&
-                apiKey && apiPath && baseUrl;
+                apiKey && apiPath && baseUrl && cats;
         }
     }
 }
diff --git a/src/NzbDrone.Core/Applications/Radarr/Radarr.cs b/src/NzbDrone.Core/Applications/Radarr/Radarr.cs
index 21ffa7f74..9f0c509c9 100644
--- a/src/NzbDrone.Core/Applications/Radarr/Radarr.cs
+++ b/src/NzbDrone.Core/Applications/Radarr/Radarr.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using FluentValidation.Results;
+using Newtonsoft.Json.Linq;
 using NLog;
 using NzbDrone.Common.Cache;
 using NzbDrone.Common.Extensions;
@@ -116,6 +117,7 @@ namespace NzbDrone.Core.Applications.Radarr
             radarrIndexer.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value = $"{Settings.ProwlarrUrl}/api/v1/indexer/{indexer.Id}/";
             radarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiPath").Value = "/newznab";
             radarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiKey").Value = _configFileProvider.ApiKey;
+            radarrIndexer.Fields.FirstOrDefault(x => x.Name == "categories").Value = JArray.FromObject(indexer.Capabilities.Categories.SupportedCategories(Settings.SyncCategories.ToArray()));
 
             return radarrIndexer;
         }
diff --git a/src/NzbDrone.Core/Applications/Radarr/RadarrIndexer.cs b/src/NzbDrone.Core/Applications/Radarr/RadarrIndexer.cs
index 0d5367152..e3cedcb9d 100644
--- a/src/NzbDrone.Core/Applications/Radarr/RadarrIndexer.cs
+++ b/src/NzbDrone.Core/Applications/Radarr/RadarrIndexer.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using Newtonsoft.Json.Linq;
 
 namespace NzbDrone.Core.Applications.Radarr
 {
@@ -28,6 +29,7 @@ namespace NzbDrone.Core.Applications.Radarr
             var baseUrl = (string)Fields.FirstOrDefault(x => x.Name == "baseUrl").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value;
             var apiPath = (string)Fields.FirstOrDefault(x => x.Name == "apiPath").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiPath").Value;
             var apiKey = (string)Fields.FirstOrDefault(x => x.Name == "apiKey").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiKey").Value;
+            var cats = JToken.DeepEquals((JArray)Fields.FirstOrDefault(x => x.Name == "categories").Value, (JArray)other.Fields.FirstOrDefault(x => x.Name == "categories").Value);
 
             return other.EnableRss == EnableRss &&
                 other.EnableAutomaticSearch == EnableAutomaticSearch &&
@@ -36,7 +38,7 @@ namespace NzbDrone.Core.Applications.Radarr
                 other.Implementation == Implementation &&
                 other.Priority == Priority &&
                 other.Id == Id &&
-                apiKey && apiPath && baseUrl;
+                apiKey && apiPath && baseUrl && cats;
         }
     }
 }
diff --git a/src/NzbDrone.Core/Applications/Readarr/Readarr.cs b/src/NzbDrone.Core/Applications/Readarr/Readarr.cs
index 2a19d7414..c91be7b8f 100644
--- a/src/NzbDrone.Core/Applications/Readarr/Readarr.cs
+++ b/src/NzbDrone.Core/Applications/Readarr/Readarr.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using FluentValidation.Results;
+using Newtonsoft.Json.Linq;
 using NLog;
 using NzbDrone.Common.Cache;
 using NzbDrone.Common.Extensions;
@@ -116,6 +117,7 @@ namespace NzbDrone.Core.Applications.Readarr
             readarrIndexer.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value = $"{Settings.ProwlarrUrl}/api/v1/indexer/{indexer.Id}/";
             readarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiPath").Value = "/newznab";
             readarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiKey").Value = _configFileProvider.ApiKey;
+            readarrIndexer.Fields.FirstOrDefault(x => x.Name == "categories").Value = JArray.FromObject(indexer.Capabilities.Categories.SupportedCategories(Settings.SyncCategories.ToArray()));
 
             return readarrIndexer;
         }
diff --git a/src/NzbDrone.Core/Applications/Readarr/ReadarrIndexer.cs b/src/NzbDrone.Core/Applications/Readarr/ReadarrIndexer.cs
index 360147c96..165184db2 100644
--- a/src/NzbDrone.Core/Applications/Readarr/ReadarrIndexer.cs
+++ b/src/NzbDrone.Core/Applications/Readarr/ReadarrIndexer.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using Newtonsoft.Json.Linq;
 
 namespace NzbDrone.Core.Applications.Readarr
 {
@@ -28,6 +29,7 @@ namespace NzbDrone.Core.Applications.Readarr
             var baseUrl = (string)Fields.FirstOrDefault(x => x.Name == "baseUrl").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value;
             var apiPath = (string)Fields.FirstOrDefault(x => x.Name == "apiPath").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiPath").Value;
             var apiKey = (string)Fields.FirstOrDefault(x => x.Name == "apiKey").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiKey").Value;
+            var cats = JToken.DeepEquals((JArray)Fields.FirstOrDefault(x => x.Name == "categories").Value, (JArray)other.Fields.FirstOrDefault(x => x.Name == "categories").Value);
 
             return other.EnableRss == EnableRss &&
                 other.EnableAutomaticSearch == EnableAutomaticSearch &&
@@ -36,7 +38,7 @@ namespace NzbDrone.Core.Applications.Readarr
                 other.Implementation == Implementation &&
                 other.Priority == Priority &&
                 other.Id == Id &&
-                apiKey && apiPath && baseUrl;
+                apiKey && apiPath && baseUrl && cats;
         }
     }
 }
diff --git a/src/NzbDrone.Core/Applications/Sonarr/Sonarr.cs b/src/NzbDrone.Core/Applications/Sonarr/Sonarr.cs
index 86b7bc582..0920aa02b 100644
--- a/src/NzbDrone.Core/Applications/Sonarr/Sonarr.cs
+++ b/src/NzbDrone.Core/Applications/Sonarr/Sonarr.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using FluentValidation.Results;
+using Newtonsoft.Json.Linq;
 using NLog;
 using NzbDrone.Common.Cache;
 using NzbDrone.Common.Extensions;
@@ -116,6 +117,8 @@ namespace NzbDrone.Core.Applications.Sonarr
             sonarrIndexer.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value = $"{Settings.ProwlarrUrl}/api/v1/indexer/{indexer.Id}/";
             sonarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiPath").Value = "/newznab";
             sonarrIndexer.Fields.FirstOrDefault(x => x.Name == "apiKey").Value = _configFileProvider.ApiKey;
+            sonarrIndexer.Fields.FirstOrDefault(x => x.Name == "categories").Value = JArray.FromObject(indexer.Capabilities.Categories.SupportedCategories(Settings.SyncCategories.ToArray()));
+            sonarrIndexer.Fields.FirstOrDefault(x => x.Name == "animeCategories").Value = JArray.FromObject(indexer.Capabilities.Categories.SupportedCategories(Settings.SyncCategories.ToArray()));
 
             return sonarrIndexer;
         }
diff --git a/src/NzbDrone.Core/Applications/Sonarr/SonarrIndexer.cs b/src/NzbDrone.Core/Applications/Sonarr/SonarrIndexer.cs
index 840a4430f..28c1f8358 100644
--- a/src/NzbDrone.Core/Applications/Sonarr/SonarrIndexer.cs
+++ b/src/NzbDrone.Core/Applications/Sonarr/SonarrIndexer.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.Linq;
+using Newtonsoft.Json.Linq;
 
 namespace NzbDrone.Core.Applications.Sonarr
 {
@@ -28,6 +29,8 @@ namespace NzbDrone.Core.Applications.Sonarr
             var baseUrl = (string)Fields.FirstOrDefault(x => x.Name == "baseUrl").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "baseUrl").Value;
             var apiPath = (string)Fields.FirstOrDefault(x => x.Name == "apiPath").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiPath").Value;
             var apiKey = (string)Fields.FirstOrDefault(x => x.Name == "apiKey").Value == (string)other.Fields.FirstOrDefault(x => x.Name == "apiKey").Value;
+            var cats = JToken.DeepEquals((JArray)Fields.FirstOrDefault(x => x.Name == "categories").Value, (JArray)other.Fields.FirstOrDefault(x => x.Name == "categories").Value);
+            var animeCats = JToken.DeepEquals((JArray)Fields.FirstOrDefault(x => x.Name == "animeCategories").Value, (JArray)other.Fields.FirstOrDefault(x => x.Name == "animeCategories").Value);
 
             return other.EnableRss == EnableRss &&
                 other.EnableAutomaticSearch == EnableAutomaticSearch &&
@@ -36,7 +39,7 @@ namespace NzbDrone.Core.Applications.Sonarr
                 other.Implementation == Implementation &&
                 other.Priority == Priority &&
                 other.Id == Id &&
-                apiKey && apiPath && baseUrl;
+                apiKey && apiPath && baseUrl && cats && animeCats;
         }
     }
 }