diff --git a/0001-Fix-multilib-conflicts-in-generated-pk-enum-types.h.patch b/0001-Fix-multilib-conflicts-in-generated-pk-enum-types.h.patch
new file mode 100644
index 0000000..a6cd532
--- /dev/null
+++ b/0001-Fix-multilib-conflicts-in-generated-pk-enum-types.h.patch
@@ -0,0 +1,46 @@
+From 36ecb04a711603f047c3d5a45194533833ec829b Mon Sep 17 00:00:00 2001
+From: Kalev Lember <klember@redhat.com>
+Date: Tue, 9 Feb 2021 15:02:51 +0100
+Subject: [PATCH] Fix multilib conflicts in generated pk-enum-types.h
+
+Avoid using full filename in comments as that can be different on
+different arches if the build directory differs, leading to multilib
+conflicts. Instead just use @basename@, which is always the same.
+
+https://bugzilla.redhat.com/show_bug.cgi?id=1915259
+---
+ lib/packagekit-glib2/pk-enum-types.c.template | 4 ++--
+ lib/packagekit-glib2/pk-enum-types.h.template | 2 +-
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/lib/packagekit-glib2/pk-enum-types.c.template b/lib/packagekit-glib2/pk-enum-types.c.template
+index 683cbdaa8..d3db6e905 100644
+--- a/lib/packagekit-glib2/pk-enum-types.c.template
++++ b/lib/packagekit-glib2/pk-enum-types.c.template
+@@ -9,8 +9,8 @@
+ /*** END file-header ***/
+ 
+ /*** BEGIN file-production ***/
+-#include "@filename@"
+-/* enumerations from "@filename@" */
++#include "@basename@"
++/* enumerations from "@basename@" */
+ /*** END file-production ***/
+ 
+ /*** BEGIN value-header ***/
+diff --git a/lib/packagekit-glib2/pk-enum-types.h.template b/lib/packagekit-glib2/pk-enum-types.h.template
+index c42c9e5da..42aee7a3b 100644
+--- a/lib/packagekit-glib2/pk-enum-types.h.template
++++ b/lib/packagekit-glib2/pk-enum-types.h.template
+@@ -13,7 +13,7 @@ G_BEGIN_DECLS
+ 
+ /*** BEGIN file-production ***/
+ 
+-/* enumerations from "@filename@" */
++/* enumerations from "@basename@" */
+ /*** END file-production ***/
+ 
+ /*** BEGIN value-header ***/
+-- 
+2.29.2
+
diff --git a/PackageKit.spec b/PackageKit.spec
index 143a7c2..cf90a68 100644
--- a/PackageKit.spec
+++ b/PackageKit.spec
@@ -6,7 +6,7 @@
 Summary:   Package management service
 Name:      PackageKit
 Version:   1.2.2
-Release:   3%{?dist}
+Release:   4%{?dist}
 License:   GPLv2+ and LGPLv2+
 URL:       http://www.freedesktop.org/software/PackageKit/
 Source0:   http://www.freedesktop.org/software/PackageKit/releases/%{name}-%{version}.tar.xz
@@ -22,6 +22,10 @@ Patch0:    PackageKit-0.3.8-RHEL-Vendor.conf.patch
 # https://github.com/hughsie/PackageKit/pull/437
 Patch1: PackageKit-1.2.2-Do-not-crash-when-calling-pk_dbus_get_uid-before-D-Bus-is-setup.patch
 
+# Fix multilib conflicts in generated pk-enum-types.h
+# https://github.com/hughsie/PackageKit/pull/456
+Patch2: 0001-Fix-multilib-conflicts-in-generated-pk-enum-types.h.patch
+
 BuildRequires: glib2-devel >= %{glib2_version}
 BuildRequires: xmlto
 BuildRequires: gtk-doc
@@ -240,6 +244,9 @@ systemctl disable packagekit-offline-update.service > /dev/null 2>&1 || :
 %{_datadir}/vala/vapi/packagekit-glib2.deps
 
 %changelog
+* Tue Feb 09 2021 Kalev Lember <klember@redhat.com> - 1.2.2-4
+- Fix multilib conflicts in generated pk-enum-types.h (#1915259)
+
 * Mon Jan 25 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.2-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild