diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index b969ee12872847024e7e32ef96776485a99f501f..e66edfa1f3b9a4c1b51980d51d726464b0b604d5 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -229,7 +229,7 @@ static __cpuinit void sync_master(void *arg)
 {
 	unsigned long flags, i;
 
-	if (smp_processor_id() != boot_cpu_id)
+	if (smp_processor_id() != 0)
 		return;
 
 	go[MASTER] = 0;