diff --git a/Architecture/amd64/cpu/apic.hpp b/Architecture/amd64/cpu/apic.hpp
index 9e64626..18ff8e6 100644
--- a/Architecture/amd64/cpu/apic.hpp
+++ b/Architecture/amd64/cpu/apic.hpp
@@ -166,6 +166,18 @@ namespace APIC
         uint64_t raw;
     } __attribute__((packed)) InterruptCommandRegisterLow;
 
+    typedef union
+    {
+        struct
+        {
+            /** @brief Reserved */
+            uint64_t Reserved0 : 24;
+            /** @brief Destination */
+            uint64_t Destination : 8;
+        };
+        uint64_t raw;
+    } __attribute__((packed)) InterruptCommandRegisterHigh;
+
     typedef union
     {
         struct