diff --git a/pkgs/applications/networking/instant-messengers/chatty/default.nix b/pkgs/applications/networking/instant-messengers/chatty/default.nix
index 97282c76d04c..34b525a98a61 100644
--- a/pkgs/applications/networking/instant-messengers/chatty/default.nix
+++ b/pkgs/applications/networking/instant-messengers/chatty/default.nix
@@ -3,6 +3,7 @@
 , fetchFromGitLab
 , appstream-glib
 , desktop-file-utils
+, itstool
 , meson
 , ninja
 , pkg-config
@@ -46,6 +47,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     appstream-glib
     desktop-file-utils
+    itstool
     meson
     ninja
     pkg-config