diff --git a/BaS_gcc/include/interrupts.h b/BaS_gcc/include/interrupts.h
index 7411648..99bc4e4 100644
--- a/BaS_gcc/include/interrupts.h
+++ b/BaS_gcc/include/interrupts.h
@@ -132,4 +132,5 @@ extern bool isr_execute_handler(int vector);
 extern int pic_interrupt_handler(void *arg1, void *arg2);
 extern int xlbpci_interrupt_handler(void *arg1, void *arg2);
 extern int pciarb_interrupt_handler(void *arg1, void *arg2);
+extern int irq5_handler(void *arg1, void *arg2);
 #endif /* _INTERRUPTS_H_ */