1 files changed, 1 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 33f035ea35..00c4257a17 100644
--- a/gc.c
+++ b/gc.c
@@ -1147,6 +1147,7 @@ gc_sweep()
     /* clear finalization list */
     if (final_list) {
 	deferred_final_list = final_list;
+	rb_thread_pending = 1;
 	return;
     }
     free_unused_heaps();