diff --git a/src/NzbDrone.Core/RootFolders/RootFolderService.cs b/src/NzbDrone.Core/RootFolders/RootFolderService.cs
index c7bf54edf..a48466b9c 100644
--- a/src/NzbDrone.Core/RootFolders/RootFolderService.cs
+++ b/src/NzbDrone.Core/RootFolders/RootFolderService.cs
@@ -30,6 +30,8 @@ public class RootFolderService : IRootFolderService
         private readonly IConfigService _configService;
         private readonly Logger _logger;
 
+        private static readonly string IgnoreFolderFile = ".rrignore";
+
         private static readonly HashSet<string> SpecialFolders = new HashSet<string>
                                                                  {
                                                                      "$recycle.bin",
@@ -160,6 +162,8 @@ private List<UnmappedFolder> GetUnmappedFolders(string path, Dictionary<int, str
             var setToRemove = SpecialFolders;
             results.RemoveAll(x => setToRemove.Contains(new DirectoryInfo(x.Path.ToLowerInvariant()).Name));
 
+            results.RemoveAll(x => Directory.GetFiles(x.Path, IgnoreFolderFile).Length > 0);
+
             _logger.Debug("{0} unmapped folders detected.", results.Count);
             return results.OrderBy(u => u.Name, StringComparer.InvariantCultureIgnoreCase).ToList();
         }