diff --git a/src/common/container.c b/src/common/container.c
index ef96d30c54..f99aa03862 100644
--- a/src/common/container.c
+++ b/src/common/container.c
@@ -623,6 +623,7 @@ strmap_free(strmap_t *map, void (*free_val)(void*))
     tor_free(ent->key);
     if (free_val)
       free_val(ent->val);
+    tor_free(ent);
   }
   tor_assert(SPLAY_EMPTY(&map->head));
   tor_free(map);