diff --git a/sdk/include/xdk/ntbasedef.h b/sdk/include/xdk/ntbasedef.h
index 671ec27b0ec..91c926257fb 100644
--- a/sdk/include/xdk/ntbasedef.h
+++ b/sdk/include/xdk/ntbasedef.h
@@ -315,7 +315,7 @@
 
 /* Use to silence unused variable warnings when it is intentional */
 #define UNREFERENCED_PARAMETER(P) ((void)(P))
-#define DBG_UNREFERENCED_PARAMETER(P) {(P)=(P);}
+#define DBG_UNREFERENCED_PARAMETER(P) ((void)(P))
 #define DBG_UNREFERENCED_LOCAL_VARIABLE(L) ((void)(L))
 
 /* Void Pointers */