diff --git a/pkgs/applications/misc/khal/default.nix b/pkgs/applications/misc/khal/default.nix
index 2d22ba41b31c..2366556a8968 100644
--- a/pkgs/applications/misc/khal/default.nix
+++ b/pkgs/applications/misc/khal/default.nix
@@ -6,7 +6,27 @@
 , python3
 }:
 
-python3.pkgs.buildPythonApplication rec {
+let
+  py = python3.override {
+    packageOverrides = self: super: {
+
+      # Doesn't work with latest urwid
+      urwid = super.urwid.overridePythonAttrs (oldAttrs: rec {
+        version = "2.1.2";
+        src = fetchFromGitHub {
+          owner = "urwid";
+          repo = "urwid";
+          rev = "refs/tags/${version}";
+          hash = "sha256-oPb2h/+gaqkZTXIiESjExMfBNnOzDvoMkXvkZ/+KVwo=";
+        };
+        doCheck = false;
+      });
+    };
+  };
+in
+with py.pkgs;
+
+buildPythonApplication rec {
   pname = "khal";
   version = "0.11.2";
   pyproject = true;
@@ -28,7 +48,7 @@ python3.pkgs.buildPythonApplication rec {
     sphinxcontrib-newsfeed
   ]);
 
-  propagatedBuildInputs = with python3.pkgs;[
+  propagatedBuildInputs = with py.pkgs;[
     atomicwrites
     click
     click-log