diff --git a/usr.sbin/pkg_install/add/main.c b/usr.sbin/pkg_install/add/main.c
index 762b61a442e1..c8339db0b144 100644
--- a/usr.sbin/pkg_install/add/main.c
+++ b/usr.sbin/pkg_install/add/main.c
@@ -22,7 +22,7 @@
 __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
-#include <sys/utsname.h>
+#include <sys/sysctl.h>
 #include <err.h>
 #include <getopt.h>
 
@@ -301,7 +301,9 @@ getpackagesite(void)
 {
     int reldate, i;
     static char sitepath[MAXPATHLEN];
-    struct utsname u;
+    int archmib[] = { CTL_HW, HW_MACHINE_ARCH };
+    char arch[64];
+    size_t archlen = sizeof(arch);
 
     if (getenv("PACKAGESITE")) {
 	if (strlcpy(sitepath, getenv("PACKAGESITE"), sizeof(sitepath))
@@ -324,8 +326,10 @@ getpackagesite(void)
 	>= sizeof(sitepath))
 	return NULL;
 
-    uname(&u);
-    if (strlcat(sitepath, u.machine, sizeof(sitepath)) >= sizeof(sitepath))
+    if (sysctl(archmib, 2, arch, &archlen, NULL, 0) == -1)
+	return NULL;
+    arch[archlen-1] = 0;
+    if (strlcat(sitepath, arch, sizeof(sitepath)) >= sizeof(sitepath))
 	return NULL;
 
     reldate = getosreldate();