From d0bc4e4245536fe6f9cc128c24981be775b9e1e8 Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leomoura@amazon.com>
Date: Sat, 20 Jul 2024 06:20:43 +0200
Subject: [PATCH] fix: `replace_fn.cpp` (#4798)

---
 src/kernel/replace_fn.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kernel/replace_fn.cpp b/src/kernel/replace_fn.cpp
index 23883f1d8b..65b9a07dc2 100644
--- a/src/kernel/replace_fn.cpp
+++ b/src/kernel/replace_fn.cpp
@@ -105,7 +105,7 @@ class replace_fn {
         lean_inc_ref(m_f);
         lean_object * r = lean_apply_1(m_f, e.raw());
         if (!lean_is_scalar(r)) {
-            expr e_new(lean_ctor_get(r, 0));
+            expr e_new(lean_ctor_get(r, 0), true);
             lean_dec_ref(r);
             return save_result(e, e_new, shared);
         }