diff --git a/0001-Perform-the-simulation-of-spawned-transactions-corre.patch b/0001-Perform-the-simulation-of-spawned-transactions-corre.patch
new file mode 100644
index 0000000..c7f0901
--- /dev/null
+++ b/0001-Perform-the-simulation-of-spawned-transactions-corre.patch
@@ -0,0 +1,29 @@
+From fc9b6653a3f6ca4c1b27045292f7e09bdfb865ca Mon Sep 17 00:00:00 2001
+From: Richard Hughes <richard@hughsie.com>
+Date: Tue, 30 Oct 2012 16:09:17 +0000
+Subject: [PATCH] Perform the simulation of spawned transactions correctly
+
+Backends that were checking for 'simulate' were being sent the typo 'simluate'
+by the daemon which was producing undefined and unexpected results.
+
+Hopefully fixes: https://bugzilla.redhat.com/show_bug.cgi?id=866486
+---
+ lib/packagekit-glib2/pk-enum.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/packagekit-glib2/pk-enum.c b/lib/packagekit-glib2/pk-enum.c
+index bc08d7c..8f556a6 100644
+--- a/lib/packagekit-glib2/pk-enum.c
++++ b/lib/packagekit-glib2/pk-enum.c
+@@ -401,7 +401,7 @@ static const PkEnumMatch enum_upgrade_kind[] = {
+ static const PkEnumMatch enum_transaction_flag[] = {
+ 	{PK_TRANSACTION_FLAG_ENUM_NONE,		"none"},	/* fall though value */
+ 	{PK_TRANSACTION_FLAG_ENUM_ONLY_TRUSTED,	"only-trusted"},
+-	{PK_TRANSACTION_FLAG_ENUM_SIMULATE,	"simluate"},
++	{PK_TRANSACTION_FLAG_ENUM_SIMULATE,	"simulate"},
+ 	{PK_TRANSACTION_FLAG_ENUM_ONLY_DOWNLOAD, "only-download"},
+ 	{0, NULL}
+ };
+-- 
+1.7.12.1
+
diff --git a/PackageKit.spec b/PackageKit.spec
index 9e04a8b..f388039 100644
--- a/PackageKit.spec
+++ b/PackageKit.spec
@@ -3,7 +3,8 @@
 Summary:   Package management service
 Name:      PackageKit
 Version:   0.8.4
-Release:   5%{?dist}
+Release:   6%{?dist}
+
 License:   GPLv2+ and LGPLv2+
 URL:       http://www.packagekit.org
 Source0:   http://www.packagekit.org/releases/%{name}-%{version}.tar.xz
@@ -17,8 +18,8 @@ Patch1:    PackageKit-0.4.4-Fedora-turn-off-time.conf.patch
 # Upstreamable?  allow use of xulrunner2 for browser-plugin support
 Patch4: PackageKit-0.7.4-xulrunner2.patch
 
-#  fix simulate typo in enums.py
-Patch50:  PackageKit-0.8.4-enums_typo.patch
+# Already upstream
+Patch5: 0001-Perform-the-simulation-of-spawned-transactions-corre.patch
 
 # upstream patches
 Patch103: 0003-Change-the-priority-state-changed-timeout-to-2-secon.patch
@@ -265,7 +266,7 @@ user to restart the computer or remove and re-insert the device.
 %patch0 -p1 -b .fedora
 %patch1 -p1 -b .no-time
 %patch4 -p1 -b .xulrunner2
-%patch50 -p1
+%patch5 -p1 -b .simulate-typo
 %patch103 -p1 -b .0003
 %patch104 -p1 -b .0004
 %patch105 -p1 -b .remote-dbus-error
@@ -482,8 +483,8 @@ update-mime-database %{_datadir}/mime &> /dev/null || :
 %{_libdir}/pkgconfig/packagekit-plugin.pc
 
 %changelog
-* Tue Oct 30 2012 Rex Dieter <rdieter@fedoraproject.org> 0.8.4-5
-- fix enums.py typo
+* Tue Oct 30 2012 Richard Hughes  <rhughes@redhat.com> - 0.8.4-6
+- Perform the simulation of spawned transactions correctly (#866486)
 
 * Mon Oct 08 2012 Rex Dieter <rdieter@fedoraproject.org> 0.8.4-4
 - -yum: Requires: yum >= 3.4.3-45