diff --git a/usr.sbin/bsdinstall/partedit/partedit.c b/usr.sbin/bsdinstall/partedit/partedit.c
--- a/usr.sbin/bsdinstall/partedit/partedit.c
+++ b/usr.sbin/bsdinstall/partedit/partedit.c
@@ -215,7 +215,7 @@
 	
 	if (prompt == NULL) {
 		error = geom_gettree(&mesh);
-		if (error != 0) {
+		if (error == 0) {
 			if (validate_setup()) {
 				error = apply_changes(&mesh);
 			} else {