1 files changed, 3 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index d5529f08b4..4f843e24e7 100644
--- a/eval.c
+++ b/eval.c
@@ -9971,7 +9971,9 @@ rb_thread_save_context(th)
     th->stk_len = 0;
     th->stk_pos = pos;
     if (len > th->stk_max) {
-	REALLOC_N(th->stk_ptr, VALUE, len);
+	VALUE *ptr = realloc(th->stk_ptr, sizeof(VALUE) * len);
+	if (!ptr) rb_memerror();
+	th->stk_ptr = ptr;
 	th->stk_max = len;
     }
     th->stk_len = len;