diff --git a/umount.c b/umount.c
index 8b7e1dd..532c20d 100644
--- a/sys-utils/umount.c
+++ b/sys-utils/umount.c
@@ -592,6 +592,9 @@ int main(int argc, char **argv)
 	argc -= optind;
 	argv += optind;

+	/* Set this option unconditionally to frustrate symlink attacks. */
+	mnt_context_disable_canonicalize(cxt, TRUE);
+
 	if (all) {
 		if (argc) {
 			warnx(_("unexpected number of arguments"));