diff --git a/pkgs/applications/networking/instant-messengers/rambox/bare.nix b/pkgs/applications/networking/instant-messengers/rambox/bare.nix
index ceb922624a12..543bf6425250 100644
--- a/pkgs/applications/networking/instant-messengers/rambox/bare.nix
+++ b/pkgs/applications/networking/instant-messengers/rambox/bare.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, fetchNodeModules, nodejs-8_x, ruby, sencha }:
+{ stdenv, fetchFromGitHub, fetchNodeModules, nodejs-8_x, ruby, sencha, auth0ClientID, auth0Domain }:
 
 stdenv.mkDerivation rec {
   name = "rambox-bare-${version}";
@@ -22,12 +22,6 @@ stdenv.mkDerivation rec {
 
   patches = [ ./hide-check-for-updates.patch ./isDev.patch ];
 
-  # These credentials are only for this derivation. If you want to get credentials
-  # for another distribution, go to https://auth0.com. If you want to reuse the same
-  # domain, drop a line at yegortimoshenko@gmail.com!
-  auth0ClientID = "0spuNKfIGeLAQ_Iki9t3fGxbfJl3k8SU";
-  auth0Domain = "nixpkgs.auth0.com";
-
   configurePhase = ''
     echo 'var auth0Cfg = { clientID: "${auth0ClientID}", domain: "${auth0Domain}" };' > env.js
     ln -s ${node_modules} node_modules
diff --git a/pkgs/applications/networking/instant-messengers/rambox/default.nix b/pkgs/applications/networking/instant-messengers/rambox/default.nix
index 1523d16be56e..05e1d902dd7b 100644
--- a/pkgs/applications/networking/instant-messengers/rambox/default.nix
+++ b/pkgs/applications/networking/instant-messengers/rambox/default.nix
@@ -1,10 +1,17 @@
-{ stdenv, newScope, makeWrapper, electron, xdg_utils, makeDesktopItem }:
+{ stdenv, newScope, makeWrapper, electron, xdg_utils, makeDesktopItem
+# These credentials are only for this derivation. If you want to get credentials
+# for another distribution, go to https://auth0.com. If you want to reuse the same
+# domain, drop a line at yegortimoshenko@gmail.com!
+, auth0ClientID ? "0spuNKfIGeLAQ_Iki9t3fGxbfJl3k8SU"
+, auth0Domain ? "nixpkgs.auth0.com" }:
 
 let
   callPackage = newScope self;
   self = {
     fetchNodeModules = callPackage ./fetchNodeModules.nix {};
-    rambox-bare = callPackage ./bare.nix {};
+    rambox-bare = callPackage ./bare.nix {
+      inherit auth0ClientID auth0Domain;
+    };
     sencha = callPackage ./sencha {};
   };
   desktopItem = makeDesktopItem rec {