diff --git a/post/lib_powerpc/complex.c b/post/lib_powerpc/complex.c
index d2ec21b..751bce6 100644
--- a/post/lib_powerpc/complex.c
+++ b/post/lib_powerpc/complex.c
@@ -18,7 +18,7 @@
 #include <post.h>
 #include "cpu_asm.h"
 
-#if CFG_POST & CONFIG_SYS_POST_CPU
+#if CFG_POST & CFG_SYS_POST_CPU
 
 extern int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n);
 extern int cpu_post_complex_2_asm (int x, int n);