diff --git a/src/Lidarr.Api.V1/DownloadClient/DownloadClientController.cs b/src/Lidarr.Api.V1/DownloadClient/DownloadClientController.cs
index bd4c993bf..bc54aa7e0 100644
--- a/src/Lidarr.Api.V1/DownloadClient/DownloadClientController.cs
+++ b/src/Lidarr.Api.V1/DownloadClient/DownloadClientController.cs
@@ -1,3 +1,4 @@
+using FluentValidation;
 using Lidarr.Http;
 using NzbDrone.Core.Download;
 
@@ -12,6 +13,7 @@ namespace Lidarr.Api.V1.DownloadClient
         public DownloadClientController(IDownloadClientFactory downloadClientFactory)
             : base(downloadClientFactory, "downloadclient", ResourceMapper, BulkResourceMapper)
         {
+            SharedValidator.RuleFor(c => c.Priority).InclusiveBetween(1, 50);
         }
     }
 }
diff --git a/src/Lidarr.Api.V1/Indexers/IndexerController.cs b/src/Lidarr.Api.V1/Indexers/IndexerController.cs
index 2ebcd3f29..2187e2b28 100644
--- a/src/Lidarr.Api.V1/Indexers/IndexerController.cs
+++ b/src/Lidarr.Api.V1/Indexers/IndexerController.cs
@@ -1,3 +1,4 @@
+using FluentValidation;
 using Lidarr.Http;
 using NzbDrone.Core.Indexers;
 using NzbDrone.Core.Validation;
@@ -13,6 +14,7 @@ namespace Lidarr.Api.V1.Indexers
         public IndexerController(IndexerFactory indexerFactory, DownloadClientExistsValidator downloadClientExistsValidator)
             : base(indexerFactory, "indexer", ResourceMapper, BulkResourceMapper)
         {
+            SharedValidator.RuleFor(c => c.Priority).InclusiveBetween(1, 50);
             SharedValidator.RuleFor(c => c.DownloadClientId).SetValidator(downloadClientExistsValidator);
         }
     }