diff --git a/include/CppSharp.h b/include/CppSharp.h
index 5dd9cf29..9941a936 100644
--- a/include/CppSharp.h
+++ b/include/CppSharp.h
@@ -13,7 +13,7 @@
 
 public interface class ICppInstance
 {
-  property System::IntPtr Instance
+  property System::IntPtr __Instance
   {
     System::IntPtr get();
     void set(System::IntPtr);