diff --git a/SPECS/mtools.spec b/SPECS/mtools.spec
index 34ef476..7d55a9f 100644
--- a/SPECS/mtools.spec
+++ b/SPECS/mtools.spec
@@ -1,7 +1,7 @@
 Summary: Programs for accessing MS-DOS disks without mounting the disks
 Name: mtools
 Version: 4.0.18
-Release: 14%{?dist}
+Release: 15%{?dist}
 License: GPLv3+
 Group: Applications/System
 Source0: ftp://ftp.gnu.org/gnu/mtools/mtools-%{version}.tar.bz2
@@ -12,6 +12,8 @@ Requires: info
 
 BuildRequires: texinfo, autoconf
 
+Requires: glibc-gconv-extra
+
 %description
 Mtools is a collection of utilities for accessing MS-DOS files.
 Mtools allow you to read, write and move around MS-DOS filesystem
@@ -67,6 +69,11 @@ fi
 %{_infodir}/mtools.info*
 
 %changelog
+* Tue Jun  7 2022 Pavel Cahyna <pcahyna@redhat.com> - 4.0.18-15
+- Add dependency on glibc-gconv-extra
+  mtools need codepage 850, which was split from glibc into a subpackage.
+  (Fedora bug #2021637, RHEL bug #2073842)
+
 * Thu Feb 08 2018 Fedora Release Engineering <releng@fedoraproject.org> - 4.0.18-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild