diff --git a/reactos/subsystems/win32/win32k/win32k.pspec b/reactos/subsystems/win32/win32k/win32k.pspec
index 79bf17ecdc3..bd2a06eb746 100644
--- a/reactos/subsystems/win32/win32k/win32k.pspec
+++ b/reactos/subsystems/win32/win32k/win32k.pspec
@@ -1,4 +1,5 @@
 #include "include/reactos/msvctarget.h"
+#undef i386
 
 @ stdcall -arch=i386 FLOATOBJ_AddFloatObj(ptr ptr) FLOATOBJ_Add
 @ stdcall -arch=i386 FLOATOBJ_DivFloatObj(ptr ptr) FLOATOBJ_Div