diff --git a/pkgs/games/osu-lazer/bin.nix b/pkgs/games/osu-lazer/bin.nix
index e4b7e0483071..d22d7fce171f 100644
--- a/pkgs/games/osu-lazer/bin.nix
+++ b/pkgs/games/osu-lazer/bin.nix
@@ -31,6 +31,7 @@ appimageTools.wrapType2 rec {
     ];
     sourceProvenance = with sourceTypes; [ binaryNativeCode ];
     maintainers = [ maintainers.delan ];
+    mainProgram = "osu!";
     platforms = [ "x86_64-linux" ];
   };
 }