diff --git a/pkgs/development/libraries/readline/readline4.nix b/pkgs/development/libraries/readline/readline4.nix
new file mode 100644
index 000000000000..74944fdf6b8f
--- /dev/null
+++ b/pkgs/development/libraries/readline/readline4.nix
@@ -0,0 +1,11 @@
+{ stdenv, fetchurl, ncurses }:
+
+stdenv.mkDerivation {
+  name = "readline-4.3";
+  src = fetchurl {
+    url = http://ftp.gnu.org/pub/gnu/readline/readline-4.3.tar.gz;
+    md5 = "f86f7cb717ab321fe15f1bbcb058c11e";
+  };
+  inherit ncurses;
+  buildInputs = [ncurses];
+}
diff --git a/pkgs/development/libraries/readline/default.nix b/pkgs/development/libraries/readline/readline5.nix
similarity index 90%
rename from pkgs/development/libraries/readline/default.nix
rename to pkgs/development/libraries/readline/readline5.nix
index b67cf23339ae..fe463432d4bf 100644
--- a/pkgs/development/libraries/readline/default.nix
+++ b/pkgs/development/libraries/readline/readline5.nix
@@ -2,7 +2,6 @@
 
 stdenv.mkDerivation {
   name = "readline-5.0";
-  builder = ./builder.sh;
   src = fetchurl {
     url = http://nix.cs.uu.nl/dist/tarballs/readline-5.0.tar.gz;
     md5 = "9a39d15f1ed592883f8c6671e8c13120";
diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index d4febe859ff5..65c5e538bb24 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -1147,10 +1147,16 @@ rec {
     inherit (gtkLibs) glib gtk;
   };
   
-  readline = (import ../development/libraries/readline) {
+  readline4 = (import ../development/libraries/readline/readline4.nix) {
     inherit fetchurl stdenv ncurses;
   };
 
+  readline5 = (import ../development/libraries/readline/readline5.nix) {
+    inherit fetchurl stdenv ncurses;
+  };
+
+  readline = readline5;
+
   SDL = (import ../development/libraries/SDL) {
     inherit fetchurl stdenv x11;
   };