diff --git a/Il2CppInspector.Common/IL2CPP/Il2CppInspector.cs b/Il2CppInspector.Common/IL2CPP/Il2CppInspector.cs
index f5d0488..54d2857 100644
--- a/Il2CppInspector.Common/IL2CPP/Il2CppInspector.cs
+++ b/Il2CppInspector.Common/IL2CPP/Il2CppInspector.cs
@@ -530,7 +530,7 @@ namespace Il2CppInspector
 
         // Load from a binary stream and metadata stream
         // Must be a seekable stream otherwise we catch a System.IO.NotSupportedException
-        public static List<Il2CppInspector> LoadFromStream(Stream binaryStream, Stream metadataStream, EventHandler<string> statusCallback = null, bool silent = false) {
+        public static List<Il2CppInspector> LoadFromStream(Stream binaryStream, MemoryStream metadataStream, EventHandler<string> statusCallback = null, bool silent = false) {
 
             // Silent operation if requested
             var stdout = Console.Out;
diff --git a/Il2CppInspector.Common/IL2CPP/Metadata.cs b/Il2CppInspector.Common/IL2CPP/Metadata.cs
index dc15504..2d86e51 100644
--- a/Il2CppInspector.Common/IL2CPP/Metadata.cs
+++ b/Il2CppInspector.Common/IL2CPP/Metadata.cs
@@ -48,7 +48,7 @@ namespace Il2CppInspector
         // Set if something in the metadata has been modified / decrypted
         public bool IsModified { get; } = false;
 
-        public Metadata(Stream stream, EventHandler<string> statusCallback = null) : base(stream)
+        public Metadata(MemoryStream stream, EventHandler<string> statusCallback = null) : base(stream)
         {
             // Read magic bytes
             if (ReadUInt32() != 0xFAB11BAF) {
@@ -192,6 +192,15 @@ namespace Il2CppInspector
                     var decryptedString = Encoding.GetString(encryptedString.Select(b => (byte) (b ^ xorKey)).ToArray());
                     Strings.Add(offset.current, decryptedString);
                 }
+
+                // Write changes back in case the user wants to save the metadata file
+                using (var sw = new StreamWriter(BaseStream, System.Text.Encoding.UTF8, bufferSize: -1, leaveOpen: true)) {
+                    sw.BaseStream.Position = Header.stringOffset;
+                    foreach (var str in Strings.OrderBy(s => s.Key))
+                        sw.Write(str.Value + "\0");
+                    sw.Flush();
+                }
+
                 IsModified = true;
             }
 
diff --git a/Il2CppInspector.GUI/App.xaml.cs b/Il2CppInspector.GUI/App.xaml.cs
index ea0d86b..f54f7ca 100644
--- a/Il2CppInspector.GUI/App.xaml.cs
+++ b/Il2CppInspector.GUI/App.xaml.cs
@@ -70,7 +70,7 @@ namespace Il2CppInspectorGUI
             return await LoadMetadataAsync(stream);
         }
 
-        public Task<bool> LoadMetadataAsync(Stream metadataStream) =>
+        public Task<bool> LoadMetadataAsync(MemoryStream metadataStream) =>
             Task.Run(() => {
                 try {
                     OnStatusUpdate?.Invoke(this, "Processing metadata");