http://bugs.gentoo.org/128247
--- scanelf.c
+++ scanelf.c
@@ -1683,7 +1683,7 @@ static void parseargs(int argc, char *ar
 		load_ld_so_conf(0, "/etc/ld.so.conf");
 	if (scan_ldpath) scanelf_ldpath();
 	if (scan_envpath) scanelf_envpath();
-	if (!from_file && ttyname(0) == NULL)
+	if (!from_file && optind == argc && ttyname(0) == NULL)
 		from_file = "-";
 	if (from_file) {
 		scanelf_from_file(from_file);