diff --git a/src/FilterLists.Agent/Features/Urls/ValidateAllUrls.cs b/src/FilterLists.Agent/Features/Urls/ValidateAllUrls.cs
index f96057200..1a93dae09 100644
--- a/src/FilterLists.Agent/Features/Urls/ValidateAllUrls.cs
+++ b/src/FilterLists.Agent/Features/Urls/ValidateAllUrls.cs
@@ -31,32 +31,27 @@ protected override async Task Handle(Command request, CancellationToken cancella
                 var results = new List<DataFileUrlValidationResults>();
 
                 var licenseUrls = await _repo.GetAllAsync<LicenseUrls>();
-                var licenseUrlErrors = (await _mediator.Send(new ValidateUrls.Command(licenseUrls), cancellationToken))
-                    .ToList();
+                var licenseUrlErrors = (await _mediator.Send(new ValidateUrls.Command(licenseUrls), cancellationToken));
                 if (licenseUrlErrors.Any())
                     results.Add(new DataFileUrlValidationResults("License.json", licenseUrlErrors));
 
                 var listUrls = await _repo.GetAllAsync<ListUrls>();
-                var listUrlErrors =
-                    (await _mediator.Send(new ValidateUrls.Command(listUrls), cancellationToken)).ToList();
+                var listUrlErrors = (await _mediator.Send(new ValidateUrls.Command(listUrls), cancellationToken));
                 if (listUrlErrors.Any())
                     results.Add(new DataFileUrlValidationResults("FilterList.json", listUrlErrors));
 
                 var maintainerUrls = await _repo.GetAllAsync<MaintainerUrls>();
-                var maintainerUrlErrors =
-                    (await _mediator.Send(new ValidateUrls.Command(maintainerUrls), cancellationToken)).ToList();
+                var maintainerUrlErrors = (await _mediator.Send(new ValidateUrls.Command(maintainerUrls), cancellationToken));
                 if (maintainerUrlErrors.Any())
                     results.Add(new DataFileUrlValidationResults("Maintainer.json", maintainerUrlErrors));
 
                 var softwareUrls = await _repo.GetAllAsync<SoftwareUrls>();
-                var softwareUrlErrors =
-                    (await _mediator.Send(new ValidateUrls.Command(softwareUrls), cancellationToken)).ToList();
+                var softwareUrlErrors = (await _mediator.Send(new ValidateUrls.Command(softwareUrls), cancellationToken));
                 if (softwareUrlErrors.Any())
                     results.Add(new DataFileUrlValidationResults("Software.json", softwareUrlErrors));
 
                 var syntaxUrls = await _repo.GetAllAsync<SyntaxUrls>();
-                var syntaxUrlErrors = (await _mediator.Send(new ValidateUrls.Command(syntaxUrls), cancellationToken))
-                    .ToList();
+                var syntaxUrlErrors = (await _mediator.Send(new ValidateUrls.Command(syntaxUrls), cancellationToken));
                 if (syntaxUrlErrors.Any())
                     results.Add(new DataFileUrlValidationResults("Syntax.json", syntaxUrlErrors));
 
diff --git a/src/FilterLists.Agent/Features/Urls/ValidateUrls.cs b/src/FilterLists.Agent/Features/Urls/ValidateUrls.cs
index d35de6e7b..adfd98b54 100644
--- a/src/FilterLists.Agent/Features/Urls/ValidateUrls.cs
+++ b/src/FilterLists.Agent/Features/Urls/ValidateUrls.cs
@@ -13,7 +13,7 @@ namespace FilterLists.Agent.Features.Urls
 {
     public static class ValidateUrls
     {
-        public class Command : IRequest<IEnumerable<UrlValidationResult>>
+        public class Command : IRequest<List<UrlValidationResult>>
         {
             public Command(IEnumerable<Uri> urls)
             {
@@ -23,7 +23,7 @@ public Command(IEnumerable<Uri> urls)
             public IEnumerable<Uri> Urls { get; }
         }
 
-        public class Handler : IRequestHandler<Command, IEnumerable<UrlValidationResult>>
+        public class Handler : IRequestHandler<Command, List<UrlValidationResult>>
         {
             private const int MaxDegreeOfParallelism = 5;
             private readonly HttpClient _httpClient;
@@ -33,8 +33,7 @@ public Handler(AgentHttpClient agentHttpClient)
                 _httpClient = agentHttpClient.Client;
             }
 
-            public async Task<IEnumerable<UrlValidationResult>> Handle(Command request,
-                CancellationToken cancellationToken)
+            public async Task<List<UrlValidationResult>> Handle(Command request, CancellationToken cancellationToken)
             {
                 var validator = BuildValidator(cancellationToken);
                 var brokenUrls = new List<UrlValidationResult>();