From 5e963b51a41361c6b6b4972892d6ec4c03a7170e Mon Sep 17 00:00:00 2001
From: Oskar Eichler <oskar@songstats.com>
Date: Sat, 29 Aug 2026 21:57:06 +0200
Subject: [PATCH] Keep Newton division divisor alive

---
 ext/bigdecimal/div.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/bigdecimal/div.h b/ext/bigdecimal/div.h
index 310a8b2b..a171a471 100644
--- a/ext/bigdecimal/div.h
+++ b/ext/bigdecimal/div.h
@@ -168,7 +168,7 @@ VpDivdNewtonInner(VALUE args_ptr)
     AddExponent(r, a->exponent);
     AddExponent(r, -(ssize_t)(base_prec + div_prec));
     RB_GC_GUARD(a2.bigdecimal);
-    RB_GC_GUARD(a2.bigdecimal);
+    RB_GC_GUARD(b2.bigdecimal);
     RB_GC_GUARD(c2.bigdecimal);
     RB_GC_GUARD(r2.bigdecimal);
     return Qnil;