diff --git a/Nt32Pkg/Library/DxeWinNtLib/DxeWinNtLib.inf b/Nt32Pkg/Library/DxeWinNtLib/DxeWinNtLib.inf
index 9a165a3b87..9a2db4fb7b 100644
--- a/Nt32Pkg/Library/DxeWinNtLib/DxeWinNtLib.inf
+++ b/Nt32Pkg/Library/DxeWinNtLib/DxeWinNtLib.inf
@@ -83,3 +83,6 @@
   HobLib
   DebugLib
 
+[Protocols]
+  gEfiWinNtThunkProtocolGuid      # Used as HOB in the code.
+