diff --git a/pkgs/applications/window-managers/eww/default.nix b/pkgs/applications/window-managers/eww/default.nix
index 1a728f39f8b5..c178cf89b0aa 100644
--- a/pkgs/applications/window-managers/eww/default.nix
+++ b/pkgs/applications/window-managers/eww/default.nix
@@ -43,6 +43,7 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/elkowar/eww";
     license = licenses.mit;
     maintainers = with maintainers; [ figsoda lom ];
+    mainProgram = "eww";
     broken = stdenv.isDarwin;
   };
 }