diff --git a/pkgs/desktops/gnome-3/3.12/core/epiphany/default.nix b/pkgs/desktops/gnome-3/3.12/core/epiphany/default.nix
index 9df3a7ed01e5..e7c94d8003f7 100644
--- a/pkgs/desktops/gnome-3/3.12/core/epiphany/default.nix
+++ b/pkgs/desktops/gnome-3/3.12/core/epiphany/default.nix
@@ -1,43 +1,46 @@
 { stdenv, intltool, fetchurl, pkgconfig, gtk3, glib, nspr, icu
 , bash, makeWrapper, gnome3, libwnck3, libxml2, libxslt, libtool
 , webkitgtk, libsoup, libsecret, gnome_desktop, libnotify, p11_kit
-, sqlite, gcr, avahi, nss, isocodes, itstool, file
-, hicolor_icon_theme, gdk_pixbuf, librsvg }:
+, sqlite, gcr, avahi, nss, isocodes, itstool, file, which
+, hicolor_icon_theme, gdk_pixbuf, librsvg, gnome_common }:
 
 stdenv.mkDerivation rec {
-  name = "epiphany-3.10.3";
+  name = "epiphany-3.12.1";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/epiphany/3.10/${name}.tar.xz";
-    sha256 = "c18235ecceaa9c76e7d90d370861cb2bba45019e1e14391a00dac3d2e94a0db7";
+    url = "mirror://gnome/sources/epiphany/3.12/${name}.tar.xz";
+    sha256 = "16d9f8f10443328b2f226c2da545e75c8433f50f103af8aeb692b098d5fbbf93";
   };
 
   # Tests need an X display
   configureFlags = [ "--disable-static --disable-tests" ];
 
   propagatedUserEnvPkgs = [ gnome3.gnome_themes_standard ];
-  propagatedBuildInputs = [ gdk_pixbuf gnome3.gnome_icon_theme librsvg
-                            hicolor_icon_theme gnome3.gnome_icon_theme_symbolic ];
 
   nativeBuildInputs = [ pkgconfig file ];
 
-  preConfigure = "substituteInPlace ./configure --replace /usr/bin/file ${file}/bin/file";
+  configureScript = "./autogen.sh";
 
   buildInputs = [ gtk3 glib intltool libwnck3 libxml2 libxslt pkgconfig file 
                   webkitgtk libsoup libsecret gnome_desktop libnotify libtool
                   sqlite isocodes nss itstool p11_kit nspr icu gnome3.yelp_tools
+                  gdk_pixbuf gnome3.gnome_icon_theme librsvg which gnome_common
+                  hicolor_icon_theme gnome3.gnome_icon_theme_symbolic
                   gcr avahi gnome3.gsettings_desktop_schemas makeWrapper ];
 
-  NIX_CFLAGS_COMPILE = "-I${nspr}/include/nspr -I${nss}/include/nss";
+  NIX_CFLAGS_COMPILE = "-I${nspr}/include/nspr -I${nss}/include/nss -I${glib}/include/gio-unix-2.0";
 
   enableParallelBuilding = true;
 
   preFixup = ''
     wrapProgram "$out/bin/epiphany" \
       --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE" \
-      --prefix XDG_DATA_DIRS : "${gtk3}/share:${gnome3.gnome_themes_standard}/share:$out/share:$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH"
+      --prefix XDG_DATA_DIRS : "${gnome3.gnome_themes_standard}/share:$out/share:$XDG_ICON_DIRS:$GSETTINGS_SCHEMAS_PATH"
   '';
 
+  patches = [ ./libxml_missing_dep.patch ];
+  patchFlags = "-p0";
+
   meta = with stdenv.lib; {
     homepage = https://wiki.gnome.org/Apps/Epiphany;
     description = "WebKit based web browser for GNOME";
diff --git a/pkgs/desktops/gnome-3/3.12/core/epiphany/libxml_missing_dep.patch b/pkgs/desktops/gnome-3/3.12/core/epiphany/libxml_missing_dep.patch
new file mode 100644
index 000000000000..c4dc85cd97e6
--- /dev/null
+++ b/pkgs/desktops/gnome-3/3.12/core/epiphany/libxml_missing_dep.patch
@@ -0,0 +1,10 @@
+--- configure.ac.orig	2014-05-19 13:28:28.493988695 +0200
++++ configure.ac	2014-05-19 13:28:54.837159748 +0200
+@@ -115,6 +115,7 @@
+ 
+ PKG_CHECK_MODULES(WEB_EXTENSION, [
+                   $WEBKIT_GTK_PC_NAME >= $WEBKIT_GTK_REQUIRED
++		  libxml-2.0 >= $LIBXML_REQUIRED
+                   libsecret-1 >= $LIBSECRET_REQUIRED
+                   ])
+ AC_SUBST(WEB_EXTENSION_CFLAGS)