Index: head/usr.sbin/bsdinstall/partedit/partedit.c
===================================================================
--- head/usr.sbin/bsdinstall/partedit/partedit.c
+++ head/usr.sbin/bsdinstall/partedit/partedit.c
@@ -27,15 +27,15 @@
  */
 
 #include <sys/param.h>
-#include <libgen.h>
-#include <libutil.h>
-#include <inttypes.h>
-#include <errno.h>
 
-#include <fstab.h>
-#include <libgeom.h>
 #include <dialog.h>
 #include <dlg_keys.h>
+#include <errno.h>
+#include <fstab.h>
+#include <inttypes.h>
+#include <libgeom.h>
+#include <libutil.h>
+#include <stdlib.h>
 
 #include "diskeditor.h"
 #include "partedit.h"
@@ -71,13 +71,14 @@
 main(int argc, const char **argv)
 {
 	struct partition_metadata *md;
-	const char *prompt;
+	const char *progname, *prompt;
 	struct partedit_item *items = NULL;
 	struct gmesh mesh;
 	int i, op, nitems, nscroll;
 	int error;
 
-	if (strcmp(basename(argv[0]), "sade") == 0)
+	progname = getprogname();
+	if (strcmp(progname, "sade") == 0)
 		sade_mode = 1;
 
 	TAILQ_INIT(&part_metadata);
@@ -93,7 +94,7 @@
 	/* Revert changes on SIGINT */
 	signal(SIGINT, sigint_handler);
 
-	if (strcmp(basename(argv[0]), "autopart") == 0) { /* Guided */
+	if (strcmp(progname, "autopart") == 0) { /* Guided */
 		prompt = "Please review the disk setup. When complete, press "
 		    "the Finish button.";
 		/* Experimental ZFS autopartition support */
@@ -102,7 +103,7 @@
 		} else {
 			part_wizard("ufs");
 		}
-	} else if (strcmp(basename(argv[0]), "scriptedpart") == 0) {
+	} else if (strcmp(progname, "scriptedpart") == 0) {
 		error = scripted_editor(argc, argv);
 		prompt = NULL;
 		if (error != 0) {