diff --git a/src/or/main.c b/src/or/main.c
index 38ebe3f257..5d51d1dead 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -3583,7 +3583,6 @@ sandbox_init_filter(void)
       /* steals references */
       sandbox_cfg_allow_open_filename(&cfg, file_name);
       sandbox_cfg_allow_open_filename(&cfg, tmp_name);
-      tor_free(file_name);
     });
     SMARTLIST_FOREACH(dirs, char *, dir, {
       /* steals reference */