diff --git a/src/Ryujinx.Graphics.Metal/Program.cs b/src/Ryujinx.Graphics.Metal/Program.cs
index c666172cb..764bcf126 100644
--- a/src/Ryujinx.Graphics.Metal/Program.cs
+++ b/src/Ryujinx.Graphics.Metal/Program.cs
@@ -11,7 +11,7 @@ namespace Ryujinx.Graphics.Metal
     [SupportedOSPlatform("macos")]
     class Program : IProgram
     {
-        private ProgramLinkStatus _status;
+        private readonly ProgramLinkStatus _status;
         public MTLFunction VertexFunction;
         public MTLFunction FragmentFunction;
         public MTLFunction ComputeFunction;