diff --git a/src/pic.h b/src/pic.h
index a8b6d99..de11f3f 100644
--- a/src/pic.h
+++ b/src/pic.h
@@ -15,6 +15,6 @@
 #define IRQ_TO_INT(irq) ((irq) + 32)
 
 void pic_send_eoi(uchar interrupt);
-void add_interrupt_handler(uchar interrupt, void (* handler)(struct registers));
+void add_interrupt_handler(uchar interrupt, void (*handler)(struct registers *));
 
 void pic_remap();