1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/opensaml-cpp/default.nix b/nixpkgs/pkgs/development/libraries/opensaml-cpp/default.nix
index 9e8ab07b3aa4..7e44f2a50eeb 100644
--- a/nixpkgs/pkgs/development/libraries/opensaml-cpp/default.nix
+++ b/nixpkgs/pkgs/development/libraries/opensaml-cpp/default.nix
@@ -26,6 +26,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage    = "https://shibboleth.net/products/opensaml-cpp.html";
     description = "A low-level library written in C++ that provides support for producing and consuming SAML messages";
+    mainProgram = "samlsign";
     platforms   = platforms.unix;
     license     = licenses.asl20;
     maintainers = [ ];