diff --git a/src/mmgr/types.hpp b/src/mmgr/types.hpp
index 66a7bc4..839aa7c 100644
--- a/src/mmgr/types.hpp
+++ b/src/mmgr/types.hpp
@@ -1,12 +1,12 @@
-#ifndef MEM_TYPES_H
+#ifndef MEM_TYPES_H 
 #define MEM_TYPES_H
 
 #include <stdint.h>
 #include <stddef.h>
 
-#if defined __i386__
+#if defined __i386__ || __arm__
 typedef uint32_t physaddr_t;
-#elif defined __amd64__
+#elif defined __x86_64__ || __aarch64__
 typedef uint64_t physaddr_t;
 #else
 typedef uint64_t physaddr_t;