diff --git a/pkgs/os-specific/linux/kernel/builder.sh b/pkgs/os-specific/linux/kernel/builder.sh
index c5805d3242e4..38d437f3375a 100644
--- a/pkgs/os-specific/linux/kernel/builder.sh
+++ b/pkgs/os-specific/linux/kernel/builder.sh
@@ -122,11 +122,14 @@ installPhase() {
         cp -a scripts $out/lib/modules/$version/build
 
         # copy include files
-        mkdir -p $out/lib/modules/$version/build/include
-        cd include
-        cp -a acpi config linux math-emu media net pcmcia rxrpc scsi sound video asm asm-generic $out/lib/modules/$version/build/include
-        cp -a `readlink asm` $out/lib/modules/$version/build/include
-        cd ..
+        includeDir=$out/lib/modules/$version/build/include
+        mkdir -p $includeDir
+        (cd include && cp -a acpi config linux math-emu media net pcmcia rxrpc scsi sound video asm-generic $includeDir)
+        if test -e arch/$archDir/include/asm; then
+            cp -a arch/$archDir/include/asm $includeDir
+        else
+            cp -a include/$archDir $includeDir
+        fi
     fi
 }
 
diff --git a/pkgs/os-specific/linux/nvidia/builder.sh b/pkgs/os-specific/linux/nvidia/builder.sh
index eaec6d56ed0a..16bc0628b9b6 100755
--- a/pkgs/os-specific/linux/nvidia/builder.sh
+++ b/pkgs/os-specific/linux/nvidia/builder.sh
@@ -22,6 +22,8 @@ buildPhase() {
     kernelVersion=$(cd $kernel/lib/modules && ls)
     sysSrc=$(echo $kernel/lib/modules/$kernelVersion/build/)
     unset src # used by the nv makefile
+    # Hack necessary to compile on 2.6.28.
+    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I$sysSrc/include/asm/mach-default"
     make SYSSRC=$sysSrc module
     cd ../../..
 }
diff --git a/pkgs/top-level/build-for-release.nix b/pkgs/top-level/build-for-release.nix
index bf2aa7bba052..884a22a0e08b 100644
--- a/pkgs/top-level/build-for-release.nix
+++ b/pkgs/top-level/build-for-release.nix
@@ -264,6 +264,13 @@ let
       inherit (pkgs.kernelPackages_2_6_27)
         kernel
         klibc
+#        splashutils
+        ;
+    };
+    kernelPackages_2_6_28 = pkgs.recurseIntoAttrs {
+      inherit (pkgs.kernelPackages_2_6_28)
+        kernel
+        klibc
 #        splashutils
         ;
     };