diff --git a/src/NzbDrone.Core/HealthCheck/Checks/RootFolderCheck.cs b/src/NzbDrone.Core/HealthCheck/Checks/RootFolderCheck.cs
index de020ae21..ce860ed56 100644
--- a/src/NzbDrone.Core/HealthCheck/Checks/RootFolderCheck.cs
+++ b/src/NzbDrone.Core/HealthCheck/Checks/RootFolderCheck.cs
@@ -4,6 +4,7 @@ using NzbDrone.Core.Books;
 using NzbDrone.Core.Books.Events;
 using NzbDrone.Core.ImportLists;
 using NzbDrone.Core.MediaFiles.Events;
+using NzbDrone.Core.RootFolders;
 
 namespace NzbDrone.Core.HealthCheck.Checks
 {
@@ -18,7 +19,7 @@ namespace NzbDrone.Core.HealthCheck.Checks
         private readonly IDiskProvider _diskProvider;
         private readonly IRootFolderService _rootFolderService;
 
-        public RootFolderCheck(IArtistService authorService, IImportListFactory importListFactory, IDiskProvider diskProvider, IRootFolderService rootFolderService)
+        public RootFolderCheck(IAuthorService authorService, IImportListFactory importListFactory, IDiskProvider diskProvider, IRootFolderService rootFolderService)
         {
             _authorService = authorService;
             _importListFactory = importListFactory;
@@ -28,7 +29,7 @@ namespace NzbDrone.Core.HealthCheck.Checks
 
         public override HealthCheck Check()
         {
-            var rootFolders = _artistService.GetAllAuthors()
+            var rootFolders = _authorService.GetAllAuthors()
                                                            .Select(s => _rootFolderService.GetBestRootFolderPath(s.Path))
                                                            .Distinct();
 
diff --git a/src/NzbDrone.Mono/Disk/DiskProvider.cs b/src/NzbDrone.Mono/Disk/DiskProvider.cs
index 7d8ec5144..91e7cf999 100644
--- a/src/NzbDrone.Mono/Disk/DiskProvider.cs
+++ b/src/NzbDrone.Mono/Disk/DiskProvider.cs
@@ -8,6 +8,7 @@ using Mono.Unix.Native;
 using NLog;
 using NzbDrone.Common.Disk;
 using NzbDrone.Common.EnsureThat;
+using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Instrumentation;
 
@@ -24,6 +25,7 @@ namespace NzbDrone.Mono.Disk
         private readonly IProcMountProvider _procMountProvider;
         private readonly ISymbolicLinkResolver _symLinkResolver;
         private readonly IRefLinkCreator _createRefLink;
+        private readonly Logger _logger;
 
         public DiskProvider(IProcMountProvider procMountProvider,
                             ISymbolicLinkResolver symLinkResolver,