diff --git a/pkgs/development/tools/devpi-client/default.nix b/pkgs/development/tools/devpi-client/default.nix
index 1e848e5d611c..c33a277d6b24 100644
--- a/pkgs/development/tools/devpi-client/default.nix
+++ b/pkgs/development/tools/devpi-client/default.nix
@@ -1,17 +1,20 @@
-{ stdenv, fetchurl, pythonPackages, python} :
+{ stdenv, fetchurl, pythonPackages, glibcLocales} :
 
 pythonPackages.buildPythonApplication rec {
   name = "devpi-client-${version}";
   version = "2.3.2";
 
   src = fetchurl {
-    url = "mirror://pypi/d/devpi-client/devpi-client-${version}.tar.gz";
-    md5= "bfc8cd768f983fd0585c347bca00c8bb";
+    url = "mirror://pypi/d/devpi-client/${name}.tar.gz";
+    sha256 = "22484d6a1ccc957d3e4f857e428244fb27c042baedd3bf28fe7522cd89d8ff45";
   };
 
-  buildInputs = [ pythonPackages.tox pythonPackages.check-manifest pythonPackages.pkginfo ];
+  doCheck = false;
 
-  propagatedBuildInputs = [ pythonPackages.py pythonPackages.devpi-common ];
+  LC_ALL = "en_US.UTF-8";
+  buildInputs = with pythonPackages; [ glibcLocales tox check-manifest pkginfo ];
+
+  propagatedBuildInputs = with pythonPackages; [ py devpi-common ];
 
   meta = {
     homepage = http://doc.devpi.net;