diff --git a/pkgs/development/python-modules/progressbar/default.nix b/pkgs/development/python-modules/progressbar/default.nix
index 5fd86fcf198..59ef547dba3 100644
--- a/pkgs/development/python-modules/progressbar/default.nix
+++ b/pkgs/development/python-modules/progressbar/default.nix
@@ -1,9 +1,12 @@
-{ stdenv, buildPythonPackage, fetchPypi }:
+{ stdenv, buildPythonPackage, fetchPypi, isPy3k }:
 
 buildPythonPackage rec {
   pname = "progressbar";
   version = "2.3";
 
+  # https://github.com/niltonvolpato/python-progressbar/issues/54
+  disabled = isPy3k;
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "b2d38a729785149e65323381d2e6fca0a5e9615a6d8bcf10bfa8adedfc481254";