diff --git a/source2/Kernel/System/Cosmos.System/Filesystem/Filesystem.cs b/source2/Kernel/System/Cosmos.System/Filesystem/Filesystem.cs
index 3886ad599..8f1ec5c3b 100644
--- a/source2/Kernel/System/Cosmos.System/Filesystem/Filesystem.cs
+++ b/source2/Kernel/System/Cosmos.System/Filesystem/Filesystem.cs
@@ -9,13 +9,13 @@ namespace Cosmos.System.Filesystem {
     // NOT do this in the future, but it will be able to map paths to things that look like
     // drive letters for compatibility with Windows code.
     // For now we use Dictionary for simplicity, but in future this will change.
-    //static protected Dictionary<string, FileSystem> mMappings = new Dictionary<string, FileSystem>();
+    static protected Dictionary<string, FileSystem> mMappings = new Dictionary<string, FileSystem>();
 
     static protected FileSystem mFS;
 
     static public void AddMapping(string aPath, FileSystem aFileSystem) {
       // Dictionary<> doesnt work yet, so for now we just hack this and support only one FS
-      //mMappings.Add(aPath.ToUpper(), aFileSystem);
+      mMappings.Add(aPath.ToUpper(), aFileSystem);
       mFS = aFileSystem;
     }
   }