diff --git a/arch/x86_64/include/arch/acpi/local_apic.hpp b/arch/x86_64/include/arch/acpi/local_apic.hpp
index 519f696..cdc8694 100644
--- a/arch/x86_64/include/arch/acpi/local_apic.hpp
+++ b/arch/x86_64/include/arch/acpi/local_apic.hpp
@@ -13,7 +13,7 @@ namespace arch::acpi {
 	public:
 		enum {
 			EOI = 0xB0,
-			LVT_TIMER = 320,
+			LVT_TIMER = 0x320,
 			TIMER_INITCOUNT = 0x380,
 			TIMER_CURCOUNT = 0x390,
 			TIMER_DIV = 0x3E0,