diff --git a/interrupts.h b/interrupts.h
index be9d449..2d4b079 100644
--- a/interrupts.h
+++ b/interrupts.h
@@ -1,3 +1,5 @@
+#ifndef INTERRUPTS_H
+#define INTERRUPTS_H
 #include "types.h"
 
 // There are more interrupts but tbh i doubt we're going to need them
@@ -49,4 +51,5 @@ void interrupt_handler(struct cpu_reg_state*);
 
 // IRQ specifi functions
 void init_irq_handler(u32 irq, void (*handler)(struct cpu_reg_state* cpu));
-void irq_handler(struct cpu_reg_state* cpu);
\ No newline at end of file
+void irq_handler(struct cpu_reg_state* cpu);
+#endif