diff --git a/pkgs/plt-services/meta/build/build b/pkgs/plt-services/meta/build/build
index 90e21e5b25..7aa8707853 100755
--- a/pkgs/plt-services/meta/build/build
+++ b/pkgs/plt-services/meta/build/build
@@ -93,7 +93,7 @@ defbuild "macintel"    "i386-osx-mac" \
          "configure_args=--enable-sdk=/Developer/SDKs/MacOSX10.4u.sdk --disable-mac64"
 # defbuild "galaga"      "i386-linux-ubuntu-hardy"
 defbuild "champlain"   "i386-linux-f12"
-defbuild "ccs-linux"   "i386-linux-ubuntu-precise" "moveto=/proj/racket"
+defbuild "ccs-linux"   "x86_64-linux-ubuntu-precise" "moveto=/proj/racket"
 # defbuild "punge"       "i386-linux-ubuntu-jaunty" "renice=20"
 # defbuild "bjorn"       "i386-linux-gcc2"
 # defbuild "chicago"     "i386-linux-debian"
@@ -317,7 +317,7 @@ platforms_of_dist_type() {
                    "i386-linux-ubuntu-intrepid" \
                    "i386-linux-ubuntu-jaunty" \
                    "i386-linux-ubuntu-karmic" \
-                   "i386-linux-ubuntu-precise" \
+                   "x86_64-linux-ubuntu-precise" \
                    "i386-freebsd" \
                    "sparc-solaris" ;;
     ( "src" ) echo "win mac unix" ;;
diff --git a/pkgs/plt-services/meta/dist-specs.rkt b/pkgs/plt-services/meta/dist-specs.rkt
index ea704a08ef..cbef00edcd 100644
--- a/pkgs/plt-services/meta/dist-specs.rkt
+++ b/pkgs/plt-services/meta/dist-specs.rkt
@@ -107,7 +107,7 @@ i386-linux-ubuntu-hardy     :=tag unix
 i386-linux-ubuntu-intrepid  :=tag unix
 i386-linux-ubuntu-jaunty    :=tag unix
 i386-linux-ubuntu-karmic    :=tag unix
-i386-linux-ubuntu-precise   :=tag unix
+x86_64-linux-ubuntu-precise :=tag unix
 i386-freebsd      :=tag unix
 i386-win32        :=tag win
 x86_64-win32      :=tag win
@@ -771,7 +771,7 @@ platform
          i386-linux-ubuntu-intrepid  => "Linux i386, built on Ubuntu Intrepid"
          i386-linux-ubuntu-jaunty    => "Linux i386, built on Ubuntu Jaunty"
          i386-linux-ubuntu-karmic    => "Linux i386, built on Ubuntu Karmic"
-         i386-linux-ubuntu-precise   => "Linux i386, built on Ubuntu Precise"
+         x86_64-linux-ubuntu-precise => "Linux x86_64, built on Ubuntu Precise"
          i386-freebsd      => "FreeBSD (i386)"
          sparc-solaris     => "Solaris"
          ppc-osx-mac       => "Mac OS X (PPC)"
diff --git a/pkgs/plt-services/meta/web/download/installers.txt b/pkgs/plt-services/meta/web/download/installers.txt
index 878ebee87b..a154483943 100644
--- a/pkgs/plt-services/meta/web/download/installers.txt
+++ b/pkgs/plt-services/meta/web/download/installers.txt
@@ -309,24 +309,24 @@
 19314579	5.3.4/racket/racket-5.3.4-src-unix.tgz
 22930176	5.3.4/racket/racket-5.3.4-src-win.zip
 12292655	5.3.5/racket-textual/racket-textual-5.3.5-bin-i386-linux-f12.sh
-12514647	5.3.5/racket-textual/racket-textual-5.3.5-bin-i386-linux-ubuntu-precise.sh
 15648971	5.3.5/racket-textual/racket-textual-5.3.5-bin-i386-osx-mac.dmg
 9278714	5.3.5/racket-textual/racket-textual-5.3.5-bin-i386-win32.exe
 15550280	5.3.5/racket-textual/racket-textual-5.3.5-bin-ppc-osx-mac.dmg
 12518673	5.3.5/racket-textual/racket-textual-5.3.5-bin-x86_64-linux-debian-squeeze.sh
 12500092	5.3.5/racket-textual/racket-textual-5.3.5-bin-x86_64-linux-f18.sh
+12514647	5.3.5/racket-textual/racket-textual-5.3.5-bin-x86_64-linux-ubuntu-precise.sh
 15777345	5.3.5/racket-textual/racket-textual-5.3.5-bin-x86_64-osx-mac.dmg
 9653899	5.3.5/racket-textual/racket-textual-5.3.5-bin-x86_64-win32.exe
 5514952	5.3.5/racket-textual/racket-textual-5.3.5-src-mac.dmg
 6264428	5.3.5/racket-textual/racket-textual-5.3.5-src-unix.tgz
 7450709	5.3.5/racket-textual/racket-textual-5.3.5-src-win.zip
 80912617	5.3.5/racket/racket-5.3.5-bin-i386-linux-f12.sh
-81340721	5.3.5/racket/racket-5.3.5-bin-i386-linux-ubuntu-precise.sh
 78333891	5.3.5/racket/racket-5.3.5-bin-i386-osx-mac.dmg
 54222087	5.3.5/racket/racket-5.3.5-bin-i386-win32.exe
 78969552	5.3.5/racket/racket-5.3.5-bin-ppc-osx-mac.dmg
 81335329	5.3.5/racket/racket-5.3.5-bin-x86_64-linux-debian-squeeze.sh
 81315398	5.3.5/racket/racket-5.3.5-bin-x86_64-linux-f18.sh
+81340721	5.3.5/racket/racket-5.3.5-bin-x86_64-linux-ubuntu-precise.sh
 78898223	5.3.5/racket/racket-5.3.5-bin-x86_64-osx-mac.dmg
 54926791	5.3.5/racket/racket-5.3.5-bin-x86_64-win32.exe
 17939101	5.3.5/racket/racket-5.3.5-src-mac.dmg