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-rw-r--r--nixpkgs/pkgs/games/ballerburg/default.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/games/ballerburg/default.nix b/nixpkgs/pkgs/games/ballerburg/default.nix
index b15abdbc4703..c8d5fb793832 100644
--- a/nixpkgs/pkgs/games/ballerburg/default.nix
+++ b/nixpkgs/pkgs/games/ballerburg/default.nix
@@ -44,6 +44,7 @@ in stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Classic cannon combat game";
+    mainProgram = "ballerburg";
     longDescription = ''
       Two castles, separated by a mountain, try to defeat each other with their cannonballs,
       either by killing the opponent's king or by weakening the opponent enough so that the king capitulates.'';