1 files changed, 1 insertions, 0 deletions
diff --git a/eval.c b/eval.c
index 62a0a2a4c..b7f681cd6 100644
--- a/eval.c
+++ b/eval.c
@@ -10131,6 +10131,7 @@ rb_thread_save_context(rb_thread_t th)
 
     th->frame = ruby_frame;
     th->scope = ruby_scope;
+    ruby_scope->flags |= SCOPE_DONT_RECYCLE;
     th->klass = ruby_class;
     th->wrapper = ruby_wrapper;
     th->cref = ruby_cref;