diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 7e711bdcc6da5adb399e8ac0a55097e76317fe51..9fff9cdcc5196c3a20b9129d7e407c1dbc113cb7 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -551,7 +551,7 @@ void timer_interrupt(struct pt_regs * regs)
 	may_hard_irq_enable();
 
 
-#if defined(CONFIG_PPC32) && defined(CONFIG_PMAC)
+#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
 	if (atomic_read(&ppc_n_lost_interrupts) != 0)
 		do_IRQ(regs);
 #endif