diff --git a/thunderbird-install-dir.patch b/thunderbird-install-dir.patch
index 931e7ad..96342b9 100644
--- a/thunderbird-install-dir.patch
+++ b/thunderbird-install-dir.patch
@@ -1,7 +1,7 @@
-diff -up thunderbird-7.0/comm-beta/config/autoconf.mk.in.old thunderbird-7.0/comm-beta/config/autoconf.mk.in
---- thunderbird-7.0/comm-beta/config/autoconf.mk.in.old	2011-09-05 12:24:29.000000000 +0200
-+++ thunderbird-7.0/comm-beta/config/autoconf.mk.in	2011-09-12 12:21:09.304918326 +0200
-@@ -65,7 +65,7 @@ datadir		= @datadir@
+diff -up thunderbird-16.0/comm-release/config/autoconf.mk.in.dir thunderbird-16.0/comm-release/config/autoconf.mk.in
+--- thunderbird-16.0/comm-release/config/autoconf.mk.in.dir	2012-10-05 23:20:26.000000000 +0200
++++ thunderbird-16.0/comm-release/config/autoconf.mk.in	2012-10-09 12:57:24.290767832 +0200
+@@ -36,7 +36,7 @@ datadir		= @datadir@
  mandir		= @mandir@
  idldir		= $(datadir)/idl/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
  
@@ -10,27 +10,28 @@ diff -up thunderbird-7.0/comm-beta/config/autoconf.mk.in.old thunderbird-7.0/com
  sdkdir		= $(libdir)/$(MOZ_APP_NAME)-devel-$(MOZ_APP_VERSION)
  
  MOZDEPTH	= $(DEPTH)/mozilla
-diff -up thunderbird-7.0/comm-beta/mozilla/config/autoconf.mk.in.old thunderbird-7.0/comm-beta/mozilla/config/autoconf.mk.in
---- thunderbird-7.0/comm-beta/mozilla/config/autoconf.mk.in.old	2011-09-05 12:38:22.000000000 +0200
-+++ thunderbird-7.0/comm-beta/mozilla/config/autoconf.mk.in	2011-09-12 12:21:24.192991555 +0200
-@@ -68,7 +68,7 @@ datadir		= @datadir@
- mandir		= @mandir@
- idldir		= $(datadir)/idl/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
+diff -up thunderbird-16.0/comm-release/mozilla/config/autoconf.mk.in.dir thunderbird-16.0/comm-release/mozilla/config/autoconf.mk.in
+diff -up thunderbird-16.0/comm-release/mozilla/config/baseconfig.mk.dir thunderbird-16.0/comm-release/mozilla/config/baseconfig.mk
+--- thunderbird-16.0/comm-release/mozilla/config/baseconfig.mk.dir	2012-10-05 23:27:15.000000000 +0200
++++ thunderbird-16.0/comm-release/mozilla/config/baseconfig.mk	2012-10-09 13:01:32.269317094 +0200
+@@ -2,7 +2,7 @@ INCLUDED_AUTOCONF_MK = 1
  
--installdir	= $(libdir)/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
-+installdir	= $(libdir)/$(MOZ_APP_NAME)
- sdkdir		= $(libdir)/$(MOZ_APP_NAME)-devel-$(MOZ_APP_VERSION)
+ includedir := $(includedir)/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
+ idldir = $(datadir)/idl/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
+-installdir = $(libdir)/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
++installdir = $(libdir)/$(MOZ_APP_NAME)
+ sdkdir = $(libdir)/$(MOZ_APP_NAME)-devel-$(MOZ_APP_VERSION)
+ DIST = $(DEPTH)/dist
  
- DIST		= $(DEPTH)/dist
-diff -up thunderbird-7.0/comm-beta/mozilla/js/src/config/autoconf.mk.in.old thunderbird-7.0/comm-beta/mozilla/js/src/config/autoconf.mk.in
---- thunderbird-7.0/comm-beta/mozilla/js/src/config/autoconf.mk.in.old	2011-09-05 12:38:30.000000000 +0200
-+++ thunderbird-7.0/comm-beta/mozilla/js/src/config/autoconf.mk.in	2011-09-12 12:21:37.409056596 +0200
-@@ -61,7 +61,7 @@ libdir		= @libdir@
- datadir		= @datadir@
- mandir		= @mandir@
+diff -up thunderbird-16.0/comm-release/mozilla/js/src/config/autoconf.mk.in.dir thunderbird-16.0/comm-release/mozilla/js/src/config/autoconf.mk.in
+diff -up thunderbird-16.0/comm-release/mozilla/js/src/config/baseconfig.mk.dir thunderbird-16.0/comm-release/mozilla/js/src/config/baseconfig.mk
+--- thunderbird-16.0/comm-release/mozilla/js/src/config/baseconfig.mk.dir	2012-10-05 23:27:30.000000000 +0200
++++ thunderbird-16.0/comm-release/mozilla/js/src/config/baseconfig.mk	2012-10-09 13:02:00.885495014 +0200
+@@ -1,6 +1,6 @@
+ INCLUDED_AUTOCONF_MK = 1
  
--installdir	= $(libdir)/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
-+installdir	= $(libdir)/$(MOZ_APP_NAME)
- sdkdir		= $(libdir)/$(MOZ_APP_NAME)-devel-$(MOZ_APP_VERSION)
+-installdir = $(libdir)/$(MOZ_APP_NAME)-$(MOZ_APP_VERSION)
++installdir = $(libdir)/$(MOZ_APP_NAME)
+ sdkdir = $(libdir)/$(MOZ_APP_NAME)-devel-$(MOZ_APP_VERSION)
  
- TOP_DIST	= @TOP_DIST@
+ ifneq (,$(filter /%,$(TOP_DIST)))
diff --git a/thunderbird.spec b/thunderbird.spec
index a61f627..f1fa562 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -74,7 +74,7 @@ Patch104:       xulrunner-10.0-gcc47.patch
 Patch200:       thunderbird-8.0-enable-addons.patch
 
 # PPC fixes
-Patch300:       xulrunner-852698.patch
+Patch300:       xulrunner-16.0-jemalloc-ppc.patch
 Patch301:       rhbz-855923.patch
 
 %if %{official_branding}
diff --git a/xulrunner-852698.patch b/xulrunner-16.0-jemalloc-ppc.patch
similarity index 59%
rename from xulrunner-852698.patch
rename to xulrunner-16.0-jemalloc-ppc.patch
index 34aa147..e4fca79 100644
--- a/xulrunner-852698.patch
+++ b/xulrunner-16.0-jemalloc-ppc.patch
@@ -1,8 +1,8 @@
-Index: comm-release/mozilla/memory/jemalloc/jemalloc.c
+Index: xulrunner-11.0/mozilla-release/memory/jemalloc/jemalloc.c
 ===================================================================
---- comm-release.orig/mozilla/memory/jemalloc/jemalloc.c
-+++ comm-release/mozilla/memory/jemalloc/jemalloc.c
-@@ -1091,7 +1091,9 @@ static unsigned		ncpus;
+--- a/mozilla/memory/mozjemalloc/jemalloc.c
++++ b/mozilla/memory/mozjemalloc/jemalloc.c
+@@ -1089,7 +1089,9 @@ static unsigned		ncpus;
   * controlling the malloc behavior are defined as compile-time constants
   * for best performance and cannot be altered at runtime.
   */