diff --git a/pkgs/development/python-modules/screeninfo/default.nix b/pkgs/development/python-modules/screeninfo/default.nix
index 142730781d6..1b79a43af9c 100644
--- a/pkgs/development/python-modules/screeninfo/default.nix
+++ b/pkgs/development/python-modules/screeninfo/default.nix
@@ -1,8 +1,9 @@
-{ stdenv, buildPythonApplication, fetchPypi, isPy36, dataclasses, libX11, libXinerama, libXrandr }:
+{ stdenv, buildPythonApplication, fetchPypi, isPy27, isPy36, dataclasses, libX11, libXinerama, libXrandr }:
 
 buildPythonApplication rec {
   pname = "screeninfo";
   version = "0.6.6";
+  disabled = isPy27; # dataclasses isn't available for python2
 
   src = fetchPypi {
     inherit pname version;