diff --git a/pkgs/development/python-modules/irc/default.nix b/pkgs/development/python-modules/irc/default.nix
index 99f8d19b350..672704249dc 100644
--- a/pkgs/development/python-modules/irc/default.nix
+++ b/pkgs/development/python-modules/irc/default.nix
@@ -1,4 +1,4 @@
-{ buildPythonPackage, fetchPypi
+{ buildPythonPackage, fetchPypi, isPy3k
 , six, jaraco_logging, jaraco_text, jaraco_stream, pytz, jaraco_itertools
 , setuptools_scm }:
 
@@ -6,6 +6,8 @@ buildPythonPackage rec {
   pname = "irc";
   version = "17.0";
 
+  disabled = !isPy3k;
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "f9c5fcb72dd230e1387fd4a0114a1935605e0f59ac09dec962313baed74e1365";