diff --git a/PKGBUILD b/PKGBUILD
index 2044a86..aeebc35 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -4,8 +4,8 @@
 pkgbase=linux               # Build stock -ARCH kernel
 #pkgbase=linux-custom       # Build kernel with a different name
 _srcname=linux-4.0
-pkgver=4.0
-pkgrel=2
+pkgver=4.0.1
+pkgrel=1
 arch=('i686' 'x86_64')
 url="http://www.kernel.org/"
 license=('GPL2')
@@ -13,14 +13,16 @@ makedepends=('xmlto' 'docbook-xsl' 'kmod' 'inetutils' 'bc')
 options=('!strip')
 source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
         "https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.sign"
-        #"https://www.kernel.org/pub/linux/kernel/v3.x/patch-${pkgver}.xz"
-        #"https://www.kernel.org/pub/linux/kernel/v3.x/patch-${pkgver}.sign"
+        "https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.xz"
+        "https://www.kernel.org/pub/linux/kernel/v4.x/patch-${pkgver}.sign"
         # the main kernel config files
         'config' 'config.x86_64'
         # standard config files for mkinitcpio ramdisk
         'linux.preset'
         'change-default-console-loglevel.patch')
 sha256sums=('0f2f7d44979bc8f71c4fc5d3308c03499c26a824dd311fdf6eef4dee0d7d5991'
+            'SKIP'
+            '9b4b47eb6584dc39aaa5db46843b83f7c60975abecbda4dc106a8722eabe96fb'
             'SKIP'
             '514aa8a9d03d2419c8084725fcdb2b5b4ce07966f5bd6a51224a5f7a5f8c3694'
             'b268b03a042e3f604a12a80c6e24c42006e4d9bf4a6d9b3201eb006942718128'
@@ -37,7 +39,7 @@ prepare() {
   cd "${srcdir}/${_srcname}"
 
   # add upstream patch
-  #patch -p1 -i "${srcdir}/patch-${pkgver}"
+  patch -p1 -i "${srcdir}/patch-${pkgver}"
 
   # add latest fixes from stable queue, if needed
   # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git