--- /dev/null
+--- scanelf.c
++++ scanelf.c
+@@ -1223,7 +1223,7 @@ static int scanelf_from_file(char *filen
+ char *p;
+ char path[__PAX_UTILS_PATH_MAX];
+
+- if (((strcmp(filename, "-")) == 0) && (ttyname(0) == NULL))
++ if (strcmp(filename, "-") == 0)
+ fp = stdin;
+ else if ((fp = fopen(filename, "r")) == NULL)
+ return 1;
+@@ -1653,6 +1653,8 @@ 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)
++ from_file = "-";
+ if (from_file) {
+ scanelf_from_file(from_file);
+ from_file = *argv;