diff --git a/PropUndoButton/Main.cs b/PropUndoButton/Main.cs
index f0c0c67..c3c6337 100644
--- a/PropUndoButton/Main.cs
+++ b/PropUndoButton/Main.cs
@@ -16,17 +16,17 @@ namespace NAK.PropUndoButton;
 
 public class PropUndoButton : MelonMod
 {
-    public static readonly MelonPreferences_Category Category =
+    private static readonly MelonPreferences_Category Category =
         MelonPreferences.CreateCategory(nameof(PropUndoButton));
 
-    public static readonly MelonPreferences_Entry<bool> EntryEnabled =
+    private static readonly MelonPreferences_Entry<bool> EntryEnabled =
         Category.CreateEntry("Enabled", true, description: "Toggle Undo Prop Button.");
 
-    public static readonly MelonPreferences_Entry<bool> EntryUseSFX =
+    private static readonly MelonPreferences_Entry<bool> EntryUseSFX =
         Category.CreateEntry("Use SFX", true,
             description: "Toggle audio queues for prop spawn, undo, redo, and warning.");
 
-    internal static List<DeletedProp> deletedProps = new();
+    private static readonly List<DeletedProp> deletedProps = [];
 
     // audio clip names, InterfaceAudio adds "PropUndo_" prefix
     private const string sfx_spawn = "PropUndo_sfx_spawn";
@@ -92,11 +92,11 @@ public class PropUndoButton : MelonMod
             if (!File.Exists(clipPath))
             {
                 // read the clip data from embedded resources
-                byte[] clipData = null;
+                byte[] clipData;
                 var resourceName = "PropUndoButton.SFX." + clipName;
                 using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName))
                 {
-                    clipData = new byte[stream.Length];
+                    clipData = new byte[stream!.Length];
                     stream.Read(clipData, 0, clipData.Length);
                 }
 
diff --git a/PropUndoButton/Properties/AssemblyInfo.cs b/PropUndoButton/Properties/AssemblyInfo.cs
index ca45627..3849345 100644
--- a/PropUndoButton/Properties/AssemblyInfo.cs
+++ b/PropUndoButton/Properties/AssemblyInfo.cs
@@ -17,7 +17,7 @@ using System.Reflection;
     downloadLink: "https://github.com/NotAKidoS/NAK_CVR_Mods/tree/main/UndoPropButton"
 )]
 
-[assembly: MelonGame("Alpha Blend Interactive", "ChilloutVR")]
+[assembly: MelonGame("ChilloutVR", "ChilloutVR")]
 [assembly: MelonPlatform(MelonPlatformAttribute.CompatiblePlatforms.WINDOWS_X64)]
 [assembly: MelonPlatformDomain(MelonPlatformDomainAttribute.CompatibleDomains.MONO)]
 [assembly: MelonColor(255, 246, 25, 99)] // red-pink
@@ -27,6 +27,6 @@ using System.Reflection;
 namespace NAK.PropUndoButton.Properties;
 internal static class AssemblyInfoParams
 {
-    public const string Version = "1.0.3";
+    public const string Version = "1.0.4";
     public const string Author = "NotAKidoS";
 }
\ No newline at end of file
diff --git a/PropUndoButton/format.json b/PropUndoButton/format.json
index 32227a9..721593d 100644
--- a/PropUndoButton/format.json
+++ b/PropUndoButton/format.json
@@ -1,9 +1,9 @@
 {
   "_id": 147,
   "name": "PropUndoButton",
-  "modversion": "1.0.3",
-  "gameversion": "2025r179",
-  "loaderversion": "0.6.1",
+  "modversion": "1.0.4",
+  "gameversion": "2025r180",
+  "loaderversion": "0.7.2",
   "modtype": "Mod",
   "author": "NotAKidoS",
   "description": "**CTRL+Z** to undo latest spawned prop. **CTRL+SHIFT+Z** to redo deleted prop.\nIncludes optional SFX for prop spawn, undo, redo, warn, and deny, which can be disabled in settings.\n\nYou can replace the sfx in 'ChilloutVR\\ChilloutVR_Data\\StreamingAssets\\Cohtml\\UIResources\\GameUI\\mods\\PropUndo\\audio'.",
@@ -16,8 +16,8 @@
   "requirements": [
     "None"
   ],
-  "downloadlink": "https://github.com/NotAKidoS/NAK_CVR_Mods/releases/download/r46/PropUndoButton.dll",
+  "downloadlink": "https://github.com/NotAKidoS/NAK_CVR_Mods/releases/download/r47/PropUndoButton.dll",
   "sourcelink": "https://github.com/NotAKidoS/NAK_CVR_Mods/tree/main/PropUndoButton/",
-  "changelog": "- Recompiled for 2025r179",
+  "changelog": "- Fixes for 2025r180",
   "embedcolor": "#00FFFF"
 }
\ No newline at end of file