diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b12a0b46dfe..1f55d0de963 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5921,7 +5921,9 @@ let pkgs = rec {
     inherit fetchurl stdenv x11 imlib2 libjpeg libpng;
   };
 
-  firefox = lowPrio (import ../applications/networking/browsers/firefox-2 {
+  firefox = firefox2;
+
+  firefox2 = lowPrio (import ../applications/networking/browsers/firefox-2 {
     inherit fetchurl stdenv pkgconfig perl zip libjpeg libpng zlib cairo;
     inherit (gtkLibs) gtk;
     inherit (gnome) libIDL;
diff --git a/pkgs/top-level/build-for-release.nix b/pkgs/top-level/build-for-release.nix
index c56d77de0b2..88bf52992d3 100644
--- a/pkgs/top-level/build-for-release.nix
+++ b/pkgs/top-level/build-for-release.nix
@@ -49,7 +49,8 @@ let
       feh
       file
       findutils
-      firefox
+      firefox2
+      firefox3
       flex2533
       gawk
       gcc