diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index a669089..6bdfb5a 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -51,11 +51,11 @@
 	/* endless idle loop with no priority at all */
 	while (1) {
 		while (!need_resched()) {
-#ifdef CONFIG_MIPS_MT_SMTC
+#ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG
 			extern void smtc_idle_loop_hook(void);
 
 			smtc_idle_loop_hook();
-#endif /* CONFIG_MIPS_MT_SMTC */
+#endif
 			if (cpu_wait)
 				(*cpu_wait)();
 		}