diff --git a/reactos/dll/win32/hid/precomp.h b/reactos/dll/win32/hid/precomp.h
index 9ae79cae666..29e4dd61ba0 100644
--- a/reactos/dll/win32/hid/precomp.h
+++ b/reactos/dll/win32/hid/precomp.h
@@ -10,6 +10,7 @@ typedef VOID
 typedef VOID
 (WINAPI *PINTERFACE_DEREFERENCE)(
   PVOID  Context);
+#define DDKAPI __stdcall // FIXME
 #include <ntndk.h>
 #include <hidusage.h>
 #include <hidclass.h>