diff --git a/default.nix b/default.nix
index 7e45cde..4df545f 100644
--- a/default.nix
+++ b/default.nix
@@ -19,7 +19,10 @@ buildNpmPackage rec {
 
   npmDepsHash = "sha256-XawYnHHuAS4HbsQYKhRQ0qPeZom7KB/2sw4GMFq5C9s=";
 
-  nativeBuildInputs = [ makeWrapper ];
+  nativeBuildInputs = [
+    makeWrapper
+    desktop-file-utils
+  ];
 
   npmFlags = [ "--ignore-scripts" ];
 
@@ -37,6 +40,13 @@ buildNpmPackage rec {
     runHook postInstall
   '';
 
+  postInstall = ''
+    desktop-file-edit \
+        --set-comment "An almost stable matrix client" \
+        --set-key="Categories" --set-value="Network;InstantMessaging;" \
+        $out/share/applications/sable.desktop
+  '';
+
   meta = with lib; {
     description = "Electron wrapper for Sable Matrix Client";
     homepage = "https://github.com/7w1/Sable-Client-Electron";