1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/logic/vampire/default.nix b/nixpkgs/pkgs/applications/science/logic/vampire/default.nix
index a3c1aa3f131d..62427e2ee455 100644
--- a/nixpkgs/pkgs/applications/science/logic/vampire/default.nix
+++ b/nixpkgs/pkgs/applications/science/logic/vampire/default.nix
@@ -47,6 +47,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://vprover.github.io/";
     description = "The Vampire Theorem Prover";
+    mainProgram = "vampire";
     platforms = platforms.unix;
     license = licenses.bsd3;
     maintainers = with maintainers; [ gebner ];