From f5ce471ebbd5b3eb66396183f52b2615e4626bdc Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Wed, 7 Oct 2020 02:37:44 +0300
Subject: [PATCH] mdbx: fix minor copy&paste typo.

Change-Id: I5a1be230d0ca92123006e709aaaf78496918c91a
---
 src/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core.c b/src/core.c
index ae2b8e0d..2070ec75 100644
--- a/src/core.c
+++ b/src/core.c
@@ -18521,7 +18521,7 @@ int mdbx_estimate_distance(const MDBX_cursor *first, const MDBX_cursor *last,
     return rc;
 
   if (unlikely(dr.diff == 0) &&
-      F_ISSET(first->mc_db->md_flags & first->mc_db->md_flags,
+      F_ISSET(first->mc_db->md_flags & last->mc_db->md_flags,
               MDBX_DUPSORT | C_INITIALIZED)) {
     first = &first->mc_xcursor->mx_cursor;
     last = &last->mc_xcursor->mx_cursor;