diff --git a/pkgs/tools/X11/dex/default.nix b/pkgs/tools/X11/dex/default.nix
index fd0c0503de9f..9387c62c2a51 100644
--- a/pkgs/tools/X11/dex/default.nix
+++ b/pkgs/tools/X11/dex/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, python3 }:
+{ stdenv, fetchFromGitHub, python3, fetchpatch }:
 
 stdenv.mkDerivation rec {
   program = "dex";
@@ -16,6 +16,13 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ python3.pkgs.sphinx ];
   makeFlags = [ "PREFIX=$(out)" "VERSION=$(version)" ];
 
+  patches = [
+    (fetchpatch {
+      url = https://github.com/jceb/dex/commit/107358ddf5e1ca4fa56ef1a7ab161dc3b6adc45a.patch;
+      sha256 = "06dfkfzxp8199by0jc5wim8g8qw38j09dq9p6n9w4zaasla60pjq";
+    })
+  ];
+
   meta = with stdenv.lib; {
     description = "A program to generate and execute DesktopEntry files of the Application type";
     homepage = https://github.com/jceb/dex;