1 files changed, 1 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index d9cca476..34edb9f4 100644
--- a/gc.c
+++ b/gc.c
@@ -355,6 +355,7 @@ tail_call:
     mark_obj_tail(obj->s.package);
   case PKG:
     mark_obj(obj->pk.name);
+    mark_obj(obj->pk.hidhash);
     mark_obj_tail(obj->pk.symhash);
   case FUN:
     mark_obj(obj->f.env);