diff --git a/yelp-2.21.2-libxul.patch b/yelp-2.21.2-libxul.patch
index e1f9408..437856a 100644
--- a/yelp-2.21.2-libxul.patch
+++ b/yelp-2.21.2-libxul.patch
@@ -1,8 +1,45 @@
-diff -up yelp-2.21.2/configure.libxul yelp-2.21.2/configure
---- yelp-2.21.2/configure.libxul	2008-01-08 16:46:27.000000000 -0500
-+++ yelp-2.21.2/configure	2008-01-08 16:47:38.000000000 -0500
-@@ -27017,10 +27017,10 @@ seamonkey) gecko_cv_gecko_flavour=mozill
- xulrunner) gecko_cv_gecko_flavour=toolkit ;;
+diff -up yelp-2.21.90/src/Makefile.in.libxul yelp-2.21.90/src/Makefile.in
+--- yelp-2.21.90/src/Makefile.in.libxul	2008-01-28 22:59:48.000000000 +0100
++++ yelp-2.21.90/src/Makefile.in	2008-02-28 18:26:05.000000000 +0100
+@@ -353,6 +353,7 @@ mozilla_include_subdirs = \
+ yelp_CPPFLAGS = \
+ 	-I$(top_srcdir)								\
+ 	-I$(top_builddir)/src							\
++	$(MOZILLA_COMPONENT_CFLAGS)    						\
+ 	$(addprefix -I$(MOZILLA_INCLUDE_ROOT)/,$(mozilla_include_subdirs))      \
+ 	$(YELP_DEFINES)								\
+ 	$(AM_CPPFLAGS)
+diff -up yelp-2.21.90/configure.libxul yelp-2.21.90/configure
+--- yelp-2.21.90/configure.libxul	2008-01-28 22:59:38.000000000 +0100
++++ yelp-2.21.90/configure	2008-02-28 18:26:05.000000000 +0100
+@@ -1597,7 +1597,7 @@ Optional Packages:
+   --with-x                use the X Window System
+   --with-search=basic|beagle|auto
+                           turn on search support [default=auto]
+-  --with-gecko[=mozilla|firefox|seamonkey|xulrunner]
++  --with-gecko[=mozilla|firefox|seamonkey|libxul]
+                           Which gecko engine to use (autodetected by default)
+ 
+ 
+@@ -26977,10 +26977,10 @@ fi
+ gecko_cv_gecko=$with_gecko
+ 
+ # Autodetect gecko
+-_geckos="xulrunner firefox mozilla-firefox seamonkey mozilla"
++_geckos="libxul firefox mozilla-firefox seamonkey mozilla"
+ if test -z "$gecko_cv_gecko"; then
+ 	for lizard in $_geckos; do
+-		if $PKG_CONFIG --exists $lizard-xpcom; then
++		if $PKG_CONFIG --exists $lizard; then
+ 			gecko_cv_gecko=$lizard
+ 			break;
+ 		fi
+@@ -27014,13 +27014,13 @@ case "$gecko_cv_gecko" in
+ mozilla) gecko_cv_gecko_flavour=mozilla ;;
+ seamonkey) gecko_cv_gecko_flavour=mozilla ;;
+ *firefox) gecko_cv_gecko_flavour=toolkit ;;
+-xulrunner) gecko_cv_gecko_flavour=toolkit ;;
++libxul*) gecko_cv_gecko_flavour=toolkit ;;
  esac
  
 -_GECKO_INCLUDE_ROOT="`$PKG_CONFIG --variable=includedir ${gecko_cv_gecko}-xpcom`"
@@ -16,6 +53,15 @@ diff -up yelp-2.21.2/configure.libxul yelp-2.21.2/configure
  
  fi # if gecko_cv_have_gecko
  
+@@ -27566,7 +27566,7 @@ MOZILLA_GLUE_LIBS="$gecko_cv_glue_libs"
+ 
+ 
+ case "$MOZILLA" in
+-xulrunner) gecko_min_version=1.8 ;;
++libxul*) gecko_min_version=1.8 ;;
+ *firefox) gecko_min_version=1.5 ;;
+ *) { { echo "$as_me:$LINENO: error: $gecko_cv_gecko is not supported" >&5
+ echo "$as_me: error: $gecko_cv_gecko is not supported" >&2;}
 @@ -27583,12 +27583,12 @@ if test -n "$PKG_CONFIG"; then
          pkg_cv_MOZILLA_COMPONENT_CFLAGS="$MOZILLA_COMPONENT_CFLAGS"
      else
@@ -28,7 +74,7 @@ diff -up yelp-2.21.2/configure.libxul yelp-2.21.2/configure
    echo "$as_me:$LINENO: \$? = $ac_status" >&5
    (exit $ac_status); }; then
 -  pkg_cv_MOZILLA_COMPONENT_CFLAGS=`$PKG_CONFIG --cflags "${gecko_cv_gecko}-xpcom >= $gecko_min_version $gecko_cv_extra_pkg_dependencies" 2>/dev/null`
-+  pkg_cv_MOZILLA_COMPONENT_CFLAGS=`$PKG_CONFIG --cflags "libxul >= $gecko_min_version $gecko_cv_extra_pkg_dependencies" 2>/dev/null`
++  pkg_cv_MOZILLA_COMPONENT_CFLAGS=`$PKG_CONFIG --cflags libxul libxul-unstable 2>/dev/null`
  else
    pkg_failed=yes
  fi
diff --git a/yelp.spec b/yelp.spec
index 70fcac8..1fec69a 100644
--- a/yelp.spec
+++ b/yelp.spec
@@ -20,7 +20,7 @@
 Summary: A system documentation reader from the Gnome project
 Name: yelp
 Version: 2.21.90
-Release: 3%{?dist}
+Release: 4%{?dist}
 Source: http://ftp.gnome.org/pub/GNOME/sources/yelp/2.21/%{name}-%{version}.tar.bz2
 URL: http://live.gnome.org/Yelp
 # http://bugzilla.gnome.org/show_bug.cgi?id=319096
@@ -100,7 +100,7 @@ one central tool.
 %build
 %configure 			\
 	--enable-search		\
-	--with-mozilla=xulrunner\
+	--with-mozilla=libxul	\
 	--enable-man 		\
 	--enable-info 		\
 	--disable-schemas-install
@@ -159,6 +159,9 @@ update-desktop-database &> /dev/null ||:
 %{_datadir}/yelp
 
 %changelog
+* Thu Feb 28 2008 Martin Stransky <stransky@redhat.com> - 2.21.90-4
+- updated xulrunner patch, rebuild against xulrunner
+
 * Tue Feb 19 2008 Fedora Release Engineering <rel-eng@fedoraproject.org> - 2.21.90-3
 - Autorebuild for GCC 4.3