diff --git a/pkgs/development/tools/build-managers/muon/default.nix b/pkgs/development/tools/build-managers/muon/default.nix
index c3be1a4bc535..92593bb60e5f 100644
--- a/pkgs/development/tools/build-managers/muon/default.nix
+++ b/pkgs/development/tools/build-managers/muon/default.nix
@@ -130,6 +130,7 @@ stdenv.mkDerivation (finalAttrs: {
     maintainers = with maintainers; [ AndersonTorres ];
     platforms = platforms.unix;
     broken = stdenv.isDarwin; # typical `ar failure`
+    mainProgram = "muon";
   };
 })
 # TODO LIST: