diff --git a/pkgs/applications/window-managers/weston/default.nix b/pkgs/applications/window-managers/weston/default.nix
index b70c5bda0a59..e28c26c52874 100644
--- a/pkgs/applications/window-managers/weston/default.nix
+++ b/pkgs/applications/window-managers/weston/default.nix
@@ -78,6 +78,7 @@ stdenv.mkDerivation rec {
     homepage = "https://gitlab.freedesktop.org/wayland/weston";
     license = licenses.mit; # Expat version
     platforms = platforms.linux;
+    mainProgram = "weston";
     maintainers = with maintainers; [ primeos qyliss ];
   };
 }