diff --git a/arch/x86/cpu/i386/interrupt.c b/arch/x86/cpu/i386/interrupt.c
index b3f4214..6f78b07 100644
--- a/arch/x86/cpu/i386/interrupt.c
+++ b/arch/x86/cpu/i386/interrupt.c
@@ -237,7 +237,7 @@
 	return &idt_ptr;
 }
 
-void __do_irq(int irq)
+static void __do_irq(int irq)
 {
 	printf("Unhandled IRQ : %d\n", irq);
 }