diff --git a/pkgs/os-specific/linux/kernel-headers-cross/builder.sh b/pkgs/os-specific/linux/kernel-headers-cross/builder.sh
index 94254d83f17d..277246a27d0c 100644
--- a/pkgs/os-specific/linux/kernel-headers-cross/builder.sh
+++ b/pkgs/os-specific/linux/kernel-headers-cross/builder.sh
@@ -19,6 +19,10 @@ installPhase() {
            arch=mips
     elif test $cross = "sparc-linux"; then
            arch=sparc
+    elif test $cross = "powerpc-linux"; then
+           arch=ppc
+    elif test $cross = "ppc-linux"; then
+           arch=ppc
     fi
     make include/asm ARCH=$arch
     cp -prvd include/linux include/asm include/asm-$arch include/asm-generic $out/include
diff --git a/pkgs/os-specific/linux/kernel-headers-cross/default.nix b/pkgs/os-specific/linux/kernel-headers-cross/default.nix
index d9157a9b0322..efe6ba383f4b 100644
--- a/pkgs/os-specific/linux/kernel-headers-cross/default.nix
+++ b/pkgs/os-specific/linux/kernel-headers-cross/default.nix
@@ -3,11 +3,11 @@
 assert stdenv.system == "i686-linux";
 
 stdenv.mkDerivation {
-  name = "linux-headers-2.6.13.4";
+  name = "linux-headers-2.6.14.5";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.13.4.tar.bz2;
-    md5 = "94768d7eef90a9d8174639b2a7d3f58d";
+    url = ftp://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.14.5.tar.bz2;
+    md5 = "9f057e3bd31c50dc48553def01bc8037";
   };
   inherit cross;
 }