diff --git a/pkgs/development/mobile/xcodeenv/xcodewrapper.nix b/pkgs/development/mobile/xcodeenv/xcodewrapper.nix
index 39804b1a248..77d2c4c867e 100644
--- a/pkgs/development/mobile/xcodeenv/xcodewrapper.nix
+++ b/pkgs/development/mobile/xcodeenv/xcodewrapper.nix
@@ -1,8 +1,5 @@
-{stdenv}:
+{stdenv, version ? "4.6"}:
 
-let
-  version = "4.5.2";
-in
 stdenv.mkDerivation {
   name = "xcode-wrapper-"+version;
   buildCommand = ''