diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index bdb678248ebd..bf7e2eb3fa28 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -101,6 +101,7 @@
   ./services/desktops/gnome3/at-spi2-core.nix
   ./services/desktops/gnome3/evolution-data-server.nix
   ./services/desktops/gnome3/gnome-keyring.nix
+  ./services/desktops/gnome3/gnome-online-accounts.nix
   ./services/desktops/gnome3/gnome-user-share.nix
   ./services/desktops/gnome3/sushi.nix
   ./services/desktops/gnome3/tracker.nix
diff --git a/nixos/modules/services/desktops/gnome3/gnome-online-accounts.nix b/nixos/modules/services/desktops/gnome3/gnome-online-accounts.nix
new file mode 100644
index 000000000000..365e19c15bb1
--- /dev/null
+++ b/nixos/modules/services/desktops/gnome3/gnome-online-accounts.nix
@@ -0,0 +1,39 @@
+# GNOME Online Accounts daemon.
+
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.gnome3.gnome-online-accounts = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable GNOME Online Accounts daemon, a service that provides
+          a single sign-on framework for the GNOME desktop.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf config.services.gnome3.gnome-online-accounts.enable {
+
+    environment.systemPackages = [ pkgs.gnome3.gnome_online_accounts ];
+
+    services.dbus.packages = [ pkgs.gnome3.gnome_online_accounts ];
+
+  };
+
+}
diff --git a/nixos/modules/services/x11/desktop-managers/gnome3.nix b/nixos/modules/services/x11/desktop-managers/gnome3.nix
index 7930a6457fdd..72729f1c1f66 100644
--- a/nixos/modules/services/x11/desktop-managers/gnome3.nix
+++ b/nixos/modules/services/x11/desktop-managers/gnome3.nix
@@ -43,6 +43,7 @@ in {
     services.gnome3.at-spi2-core.enable = true;
     services.gnome3.evolution-data-server.enable = true;
     services.gnome3.gnome-keyring.enable = true;
+    services.gnome3.gnome-online-accounts.enable = mkDefault true;
     services.gnome3.gnome-user-share.enable = mkDefault true;
     services.gnome3.sushi.enable = mkDefault true;
     services.gnome3.tracker.enable = mkDefault true;
diff --git a/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix b/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix
index 92a6b6c2c40d..76b06f59bcb6 100644
--- a/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix
@@ -20,6 +20,8 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ gdk_pixbuf gnome3.gnome_icon_theme librsvg
                             hicolor_icon_theme gnome3.gnome_icon_theme_symbolic ];
 
+  enableParallelBuilding = true;
+
   buildInputs = with gnome3;
     [ pkgconfig intltool ibus gtk glib upower libcanberra gsettings_desktop_schemas
       libxml2 gnome_desktop gnome_settings_daemon polkit libxslt libgtop gnome-menus
@@ -48,6 +50,8 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
+    description = "Single sign-on framework for GNOME";
+    maintainers = with maintainers; [ lethalman ];
     platforms = platforms.linux;
   };
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix b/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix
index c17b3ba3eb6c..8c4594357333 100644
--- a/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-online-accounts/default.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
 
   NIX_CFLAGS_COMPILE = "-I${dbus_glib}/include/dbus-1.0 -I${dbus_libs}/include/dbus-1.0";
 
+  enableParallelBuilding = true;
+
   buildInputs = [ pkgconfig glib libxslt gtk webkitgtk json_glib rest libsecret dbus_glib telepathy_glib intltool icu libsoup docbook_xsl_ns docbook_xsl];
 
   meta = with stdenv.lib; {