1 files changed, 2 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index 19de920505..ea4d3b0078 100644
--- a/gc.c
+++ b/gc.c
@@ -1015,6 +1015,8 @@ gc_sweep(void)
         st_foreach(source_filenames, sweep_source_filename, 0);
     }
 
+    rb_gc_abort_threads();
+
     freelist = 0;
     final_list = deferred_final_list;
     deferred_final_list = 0;