diff --git a/NzbDrone.Core.Test/JobTests/AppUpdateJobFixture.cs b/NzbDrone.Core.Test/JobTests/AppUpdateJobFixture.cs
index d938605fc..c4bb7cedb 100644
--- a/NzbDrone.Core.Test/JobTests/AppUpdateJobFixture.cs
+++ b/NzbDrone.Core.Test/JobTests/AppUpdateJobFixture.cs
@@ -97,7 +97,7 @@ namespace NzbDrone.Core.Test.JobTests
 
             //Assert
             Mocker.GetMock<DiskProvider>().Verify(
-               c => c.CopyDirectory(updateClientFolder, SANDBOX_FOLDER));
+               c => c.MoveDirectory(updateClientFolder, SANDBOX_FOLDER));
         }
 
         [Test]
diff --git a/NzbDrone.Core/Providers/Jobs/AppUpdateJob.cs b/NzbDrone.Core/Providers/Jobs/AppUpdateJob.cs
index eebb459c2..34375b659 100644
--- a/NzbDrone.Core/Providers/Jobs/AppUpdateJob.cs
+++ b/NzbDrone.Core/Providers/Jobs/AppUpdateJob.cs
@@ -68,7 +68,7 @@ namespace NzbDrone.Core.Providers.Jobs
 
             logger.Info("Preparing client");
             notification.CurrentMessage = "Preparing to start Update";
-            _diskProvider.CopyDirectory(_enviromentProvider.GetUpdateClientFolder(), _enviromentProvider.GetUpdateSandboxFolder());
+            _diskProvider.MoveDirectory(_enviromentProvider.GetUpdateClientFolder(), _enviromentProvider.GetUpdateSandboxFolder());
 
 
             logger.Info("Starting update client");