diff --git a/core/sourcehook/sh_memory.h b/core/sourcehook/sh_memory.h
index 9ffa1fb..4ee1a63 100644
--- a/core/sourcehook/sh_memory.h
+++ b/core/sourcehook/sh_memory.h
@@ -129,13 +129,20 @@ namespace SourceHook
 #elif SH_SYS == SH_SYS_APPLE
 		vm_size_t ignoreSize;
 		vm_address_t vmaddr = (vm_address_t)addr;
+		memory_object_name_t obj;
+#if defined(__i386__)
 		vm_region_basic_info_data_t info;
 		vm_region_flavor_t flavor = VM_REGION_BASIC_INFO;
-		memory_object_name_t obj;
-
 		mach_msg_type_number_t count = VM_REGION_BASIC_INFO_COUNT;
 		kern_return_t kr = vm_region(mach_task_self(), &vmaddr, &ignoreSize, flavor,
 		                             (vm_region_info_t)&info, &count, &obj);
+#elif defined(__x86_64__)
+		vm_region_basic_info_data_64_t info;
+		vm_region_flavor_t flavor = VM_REGION_BASIC_INFO_64;
+		mach_msg_type_number_t count = VM_REGION_BASIC_INFO_COUNT_64;
+		kern_return_t kr = vm_region_64(mach_task_self(), &vmaddr, &ignoreSize, flavor,
+		                                (vm_region_info_64_t)&info, &count, &obj);
+#endif
 		if (kr != KERN_SUCCESS)
 			return false;
 		*bits = 0;