diff --git a/NzbDrone.Core/Providers/RootDirProvider.cs b/NzbDrone.Core/Providers/RootDirProvider.cs
index aec0ceefa6..b28a4f03a4 100644
--- a/NzbDrone.Core/Providers/RootDirProvider.cs
+++ b/NzbDrone.Core/Providers/RootDirProvider.cs
@@ -41,6 +41,7 @@ public virtual RootDir Add(RootDir rootDir)
             var id = _database.Insert(rootDir);
             rootDir.Id = Convert.ToInt32(id);
             rootDir.FreeSpace = _diskProvider.FreeDiskSpace(new DirectoryInfo(rootDir.Path));
+            rootDir.UnmappedFolders = GetUnmappedFolders(rootDir.Path);
 
             return rootDir;
         }