diff --git a/pkgs/development/libraries/libpqxx/default.nix b/pkgs/development/libraries/libpqxx/default.nix
index e8a80497de3..51cb1c48e54 100644
--- a/pkgs/development/libraries/libpqxx/default.nix
+++ b/pkgs/development/libraries/libpqxx/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, postgresql, python2 }:
+{ lib, stdenv, fetchurl, postgresql, python2, gnused }:
 
 stdenv.mkDerivation rec {
   name = "libpqxx-4.0.1";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0f6wxspp6rx12fkasanb0z2g2gc8dhcfwnxagx8wwqbpg6ifsz09";
   };
 
-  buildInputs = [ postgresql python2 ];
+  buildInputs = [ postgresql python2 gnused ];
 
   preConfigure = ''
     patchShebangs .
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4d538e21d24..546ea865228 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8375,7 +8375,9 @@ in
 
   libpfm = callPackage ../development/libraries/libpfm { };
 
-  libpqxx = callPackage ../development/libraries/libpqxx { };
+  libpqxx = callPackage ../development/libraries/libpqxx { 
+    gnused = gnused_422;
+  };
 
   libproxy = callPackage ../development/libraries/libproxy {
     stdenv = if stdenv.isDarwin