diff --git a/arch/x86/kernel/uv_irq.c b/arch/x86/kernel/uv_irq.c
index 6bd26c91c30b..aeef529917e4 100644
--- a/arch/x86/kernel/uv_irq.c
+++ b/arch/x86/kernel/uv_irq.c
@@ -10,6 +10,8 @@
 
 #include <linux/module.h>
 #include <linux/irq.h>
+
+#include <asm/apic.h>
 #include <asm/uv/uv_irq.h>
 
 static void uv_noop(unsigned int irq)