diff --git a/EmulatorPkg/Win/Host/WinInclude.h b/EmulatorPkg/Win/Host/WinInclude.h
index c2b6cfa3d6..877d2b0ed0 100644
--- a/EmulatorPkg/Win/Host/WinInclude.h
+++ b/EmulatorPkg/Win/Host/WinInclude.h
@@ -10,7 +10,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 
 //
 // Win32 include files do not compile clean with /W4, so we use the warning
-// pragma to suppress the warnings for Win32 only. This way our code can stil
+// pragma to suppress the warnings for Win32 only. This way our code can still
 // compile at /W4 (highest warning level) with /WX (warnings cause build
 // errors).
 //
@@ -19,9 +19,10 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #pragma warning(disable : 4028)
 #pragma warning(disable : 4133)
 
-#define GUID         _WINNT_DUP_GUID_____
-#define _LIST_ENTRY  _WINNT_DUP_LIST_ENTRY_FORWARD
-#define LIST_ENTRY   _WINNT_DUP_LIST_ENTRY
+#define GUID              _WINNT_DUP_GUID_____
+#define _LIST_ENTRY       _WINNT_DUP_LIST_ENTRY_FORWARD
+#define LIST_ENTRY        _WINNT_DUP_LIST_ENTRY
+#define RUNTIME_FUNCTION  _WINNT_DUP_RUNTIME_FUNCTION
 #if defined (MDE_CPU_IA32) && (_MSC_VER < 1800)
 #define InterlockedIncrement          _WINNT_DUP_InterlockedIncrement
 #define InterlockedDecrement          _WINNT_DUP_InterlockedDecrement
@@ -45,6 +46,7 @@ typedef UINT32 size_t;
 #undef GUID
 #undef _LIST_ENTRY
 #undef LIST_ENTRY
+#undef RUNTIME_FUNCTION
 #undef InterlockedIncrement
 #undef InterlockedDecrement
 #undef InterlockedCompareExchange64