diff --git a/src/LibHac/FsService/Creators/EmulatedSdFileSystemCreator.cs b/src/LibHac/FsService/Creators/EmulatedSdFileSystemCreator.cs
index 8000510d..aee47b1a 100644
--- a/src/LibHac/FsService/Creators/EmulatedSdFileSystemCreator.cs
+++ b/src/LibHac/FsService/Creators/EmulatedSdFileSystemCreator.cs
@@ -3,20 +3,26 @@ using LibHac.Fs;
 
 namespace LibHac.FsService.Creators
 {
-    class EmulatedSdFileSystemCreator : ISdFileSystemCreator
+    public class EmulatedSdFileSystemCreator : ISdFileSystemCreator
     {
         private const string DefaultPath = "/sdcard";
 
-        public IFileSystem RootFileSystem { get; set; }
-        public string Path { get; set; }
+        private IFileSystem RootFileSystem { get; }
+        private string Path { get; }
 
-        public IFileSystem SdCardFileSystem { get; set; }
+        private IFileSystem SdCardFileSystem { get; set; }
 
         public EmulatedSdFileSystemCreator(IFileSystem rootFileSystem)
         {
             RootFileSystem = rootFileSystem;
         }
 
+        public EmulatedSdFileSystemCreator(IFileSystem rootFileSystem, string path)
+        {
+            RootFileSystem = rootFileSystem;
+            Path = path;
+        }
+
         public Result Create(out IFileSystem fileSystem)
         {
             fileSystem = default;
@@ -37,7 +43,13 @@ namespace LibHac.FsService.Creators
 
             // Todo: Add ProxyFileSystem?
 
-            return Util.CreateSubFileSystem(out fileSystem, RootFileSystem, path, true);
+            Result rc = Util.CreateSubFileSystem(out IFileSystem sdFileSystem, RootFileSystem, path, true);
+            if (rc.IsFailure()) return rc;
+
+            SdCardFileSystem = sdFileSystem;
+            fileSystem = sdFileSystem;
+
+            return Result.Success;
         }
 
         public Result Format(bool closeOpenEntries)
diff --git a/src/LibHac/FsService/EmulatedDeviceOperator.cs b/src/LibHac/FsService/EmulatedDeviceOperator.cs
index 5e529756..e1378f96 100644
--- a/src/LibHac/FsService/EmulatedDeviceOperator.cs
+++ b/src/LibHac/FsService/EmulatedDeviceOperator.cs
@@ -3,7 +3,7 @@ using LibHac.Fs;
 
 namespace LibHac.FsService
 {
-    class EmulatedDeviceOperator : IDeviceOperator
+    public class EmulatedDeviceOperator : IDeviceOperator
     {
         private EmulatedGameCard GameCard { get; set; }
 
diff --git a/src/hactoolnet/ProcessNca.cs b/src/hactoolnet/ProcessNca.cs
index 9a078e85..169d19d4 100644
--- a/src/hactoolnet/ProcessNca.cs
+++ b/src/hactoolnet/ProcessNca.cs
@@ -234,9 +234,9 @@ namespace hactoolnet
             PrintItem(sb, colLen, "TitleID:", $"{nca.Header.TitleId:X16}");
             if (nca.CanOpenSection(NcaSectionType.Code)) {
                 IFileSystem fs = nca.OpenFileSystem(NcaSectionType.Code, IntegrityCheckLevel.None);
-                Result r = fs.OpenFile(out var file, "/main.npdm", OpenMode.Read);
+                Result r = fs.OpenFile(out IFile file, "/main.npdm", OpenMode.Read);
                 if (r.IsSuccess()) {
-                    NpdmBinary npdm = new NpdmBinary(file.AsStream(), null);
+                    var npdm = new NpdmBinary(file.AsStream(), null);
                     PrintItem(sb, colLen, "Title Name:", npdm.TitleName);
                 }
             }