diff --git a/nixos/modules/virtualisation/libvirtd.nix b/nixos/modules/virtualisation/libvirtd.nix
index 2d03f0544b6..7410609e064 100644
--- a/nixos/modules/virtualisation/libvirtd.nix
+++ b/nixos/modules/virtualisation/libvirtd.nix
@@ -92,7 +92,7 @@ in
                 ++ optional vswitch.enable "vswitchd.service";
 
         path = [ 
-            pkgs.bridge_utils 
+            pkgs.bridge-utils 
             pkgs.dmidecode 
             pkgs.dnsmasq
             pkgs.ebtables
diff --git a/nixos/modules/virtualisation/nova.nix b/nixos/modules/virtualisation/nova.nix
index 8795b5b52d5..21e060cf266 100644
--- a/nixos/modules/virtualisation/nova.nix
+++ b/nixos/modules/virtualisation/nova.nix
@@ -147,7 +147,7 @@ in
         path =
           [ pkgs.sudo pkgs.vlan pkgs.nettools pkgs.iptables pkgs.qemu_kvm
             pkgs.e2fsprogs pkgs.utillinux pkgs.multipath_tools pkgs.iproute
-            pkgs.bridge_utils
+            pkgs.bridge-utils
           ];
 
         exec = "${nova}/bin/nova-compute --flagfile=${novaConf}";
@@ -163,7 +163,7 @@ in
 
         path =
           [ pkgs.sudo pkgs.vlan pkgs.dnsmasq pkgs.nettools pkgs.iptables
-            pkgs.iproute pkgs.bridge_utils pkgs.radvd
+            pkgs.iproute pkgs.bridge-utils pkgs.radvd
           ];
 
         exec = "${nova}/bin/nova-network --flagfile=${novaConf}";
diff --git a/nixos/modules/virtualisation/xen-dom0.nix b/nixos/modules/virtualisation/xen-dom0.nix
index 566059472c9..f3a24c5cf25 100644
--- a/nixos/modules/virtualisation/xen-dom0.nix
+++ b/nixos/modules/virtualisation/xen-dom0.nix
@@ -112,7 +112,7 @@ in
         startOn = "stopped udevtrigger";
 
         path =
-          [ pkgs.bridge_utils pkgs.gawk pkgs.iproute pkgs.nettools
+          [ pkgs.bridge-utils pkgs.gawk pkgs.iproute pkgs.nettools
             pkgs.utillinux pkgs.bash xen pkgs.pciutils pkgs.procps
           ];
 
@@ -172,7 +172,7 @@ in
     # Xen provides udev rules.
     services.udev.packages = [ xen ];
 
-    services.udev.path = [ pkgs.bridge_utils pkgs.iproute ];
+    services.udev.path = [ pkgs.bridge-utils pkgs.iproute ];
 
   };
 
diff --git a/pkgs/applications/virtualization/docker/default.nix b/pkgs/applications/virtualization/docker/default.nix
index ea7b043c344..eaf983f7bbc 100644
--- a/pkgs/applications/virtualization/docker/default.nix
+++ b/pkgs/applications/virtualization/docker/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, go, lxc, sqlite, iproute, bridge_utils, devicemapper,
+{ stdenv, fetchurl, makeWrapper, go, lxc, sqlite, iproute, bridge-utils, devicemapper,
 btrfsProgs, iptables, bash, e2fsprogs, xz}:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0d98c7dfzv1gj5ssbyln4pbkbml6rrmy22v5v4ricbsx9qhhwc1l";
   };
 
-  buildInputs = [ makeWrapper go sqlite lxc iproute bridge_utils devicemapper btrfsProgs iptables e2fsprogs ];
+  buildInputs = [ makeWrapper go sqlite lxc iproute bridge-utils devicemapper btrfsProgs iptables e2fsprogs ];
 
   dontStrip = true;
 
diff --git a/pkgs/applications/virtualization/xen/default.nix b/pkgs/applications/virtualization/xen/default.nix
index 5b0a2845e9c..e6ad49f2035 100644
--- a/pkgs/applications/virtualization/xen/default.nix
+++ b/pkgs/applications/virtualization/xen/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, which, zlib, pkgconfig, SDL, openssl
 , libuuid, gettext, ncurses, dev86, iasl, pciutils, bzip2
 , lvm2, utillinux, procps, texinfo, perl, pythonPackages
-, glib, bridge_utils, xlibs, pixman, iproute, udev, bison
+, glib, bridge-utils, xlibs, pixman, iproute, udev, bison
 , flex, cmake, ocaml, ocamlPackages, figlet, libaio, yajl
 , checkpolicy, transfig, glusterfs, fetchgit, xz }:
 
@@ -92,7 +92,7 @@ stdenv.mkDerivation {
     [ which zlib pkgconfig SDL openssl libuuid gettext ncurses
       dev86 iasl pciutils bzip2 xz texinfo perl yajl
       pythonPackages.python pythonPackages.wrapPython
-      glib bridge_utils pixman iproute udev bison xlibs.libX11
+      glib bridge-utils pixman iproute udev bison xlibs.libX11
       flex ocaml ocamlPackages.findlib figlet libaio
       checkpolicy pythonPackages.markdown transfig
       glusterfs cmake
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8d4973563d7..c18d3c014a8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8436,7 +8436,7 @@ let
 
   beret = callPackage ../games/beret { };
 
-  bridge_utils = callPackage ../os-specific/linux/bridge-utils { };
+  bridge-utils = callPackage ../os-specific/linux/bridge-utils { };
 
   busybox = callPackage ../os-specific/linux/busybox { };
 
@@ -13643,6 +13643,7 @@ let
   adobeReader = adobe-reader;
   arduino_core = arduino-core;  # added 2015-02-04
   asciidocFull = asciidoc-full;  # added 2014-06-22
+  bridge_utils = bridge-utils;  # added 2015-02-20
   lttngTools = lttng-tools;  # added 2014-07-31
   lttngUst = lttng-ust;  # added 2014-07-31
   jquery_ui = jquery-ui;  # added 2014-09-07