1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/languagemachines/ucto.nix b/nixpkgs/pkgs/development/libraries/languagemachines/ucto.nix
index f707d9fb8b6e..6a3e31bcd553 100644
--- a/nixpkgs/pkgs/development/libraries/languagemachines/ucto.nix
+++ b/nixpkgs/pkgs/development/libraries/languagemachines/ucto.nix
@@ -34,6 +34,7 @@ stdenv.mkDerivation {
 
   meta = with lib; {
     description = "A rule-based tokenizer for natural language";
+    mainProgram = "ucto";
     homepage    = "https://languagemachines.github.io/ucto/";
     license     = licenses.gpl3;
     platforms   = platforms.all;