diff --git a/BaS_gcc/include/interrupts.h b/BaS_gcc/include/interrupts.h
index b9310cd..5b6ebac 100644
--- a/BaS_gcc/include/interrupts.h
+++ b/BaS_gcc/include/interrupts.h
@@ -144,6 +144,7 @@ extern bool isr_execute_handler(int vector);
 extern bool pic_interrupt_handler(void *arg1, void *arg2);
 extern bool xlbpci_interrupt_handler(void *arg1, void *arg2);
 extern bool pciarb_interrupt_handler(void *arg1, void *arg2);
+extern bool xlbarb_interrupt_handler(void *arg1, void *arg2);
 extern bool gpt0_interrupt_handler(void *arg1, void *arg2);
 extern bool irq5_handler(void *arg1, void *arg2);
 #endif /* _INTERRUPTS_H_ */