diff --git a/post/lib_powerpc/cmp.c b/post/lib_powerpc/cmp.c
index e4d0931..57f2b96 100644
--- a/post/lib_powerpc/cmp.c
+++ b/post/lib_powerpc/cmp.c
@@ -23,7 +23,7 @@
 #include <post.h>
 #include "cpu_asm.h"
 
-#if CFG_POST & CONFIG_SYS_POST_CPU
+#if CFG_POST & CFG_SYS_POST_CPU
 
 extern void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2);