diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 58d1cc2023c843df763db2b4b3d11aa753172b05..ae24e2b82c5a47b75e53c59f1788ab34bab7a700 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -45,7 +45,11 @@ static struct mpic *mpic_primary;
 static DEFINE_SPINLOCK(mpic_lock);
 
 #ifdef CONFIG_PPC32	/* XXX for now */
-#define distribute_irqs	CONFIG_IRQ_ALL_CPUS
+#ifdef CONFIG_IRQ_ALL_CPUS
+#define distribute_irqs	(1)
+#else
+#define distribute_irqs	(0)
+#endif
 #endif
 
 /*