--- /n/sources/plan9/sys/src/libauthsrv/readnvram.c	Fri Jul 22 18:25:47 2011
+++ /sys/src/libauthsrv/readnvram.c	Tue Aug 22 00:00:00 2017
@@ -152,7 +152,7 @@
 		cputype = getenv("cputype");
 	if(cputype == nil)
 		cputype = strdup("mips");
-	if(strcmp(cputype, "386")==0 || strcmp(cputype, "alpha")==0) {
+	if(strcmp(cputype, "386")==0 || strcmp(cputype, "amd64")==0 || strcmp(cputype, "alpha")==0) {
 		free(cputype);
 		cputype = strdup("pc");
 	}