diff --git a/pkgs/applications/display-managers/greetd/tuigreet.nix b/pkgs/applications/display-managers/greetd/tuigreet.nix
index 8660c4a1a49c..2a6a4c6ef782 100644
--- a/pkgs/applications/display-managers/greetd/tuigreet.nix
+++ b/pkgs/applications/display-managers/greetd/tuigreet.nix
@@ -22,5 +22,6 @@ rustPlatform.buildRustPackage rec {
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ luc65r ivar ];
     platforms = platforms.linux;
+    mainProgram = "tuigreet";
   };
 }