--- libs/std/sys.c.orig	2019-10-24 12:51:25.000000000 -0500
+++ libs/std/sys.c	2020-07-08 19:29:03.000000000 -0500
@@ -218,7 +218,7 @@
 	</doc>
 **/
 static value sys_is64() {
-#ifdef NEKO_64BITS
+#ifdef __LP64__
 	return val_true;
 #else
 	return val_false;
--- vm/module.c.orig	2019-10-24 12:51:25.000000000 -0500
+++ vm/module.c	2020-07-08 19:29:03.000000000 -0500
@@ -50,7 +50,7 @@
 #define ERROR() { free(tmp); return NULL; }
 #define READ(buf,len) if( r(p,buf,len) == -1 ) ERROR()
 
-#ifdef NEKO_64BITS
+#ifdef __LP64__
 
 static void read_long( reader r, readp p, unsigned int *i ) {
 	unsigned char c[4];