diff --git a/pkgs/by-name/p1/p11-kit/package.nix b/pkgs/by-name/p1/p11-kit/package.nix
index 48aa86acd92e..ecef4be12433 100644
--- a/pkgs/by-name/p1/p11-kit/package.nix
+++ b/pkgs/by-name/p1/p11-kit/package.nix
@@ -96,5 +96,6 @@ stdenv.mkDerivation rec {
     ];
     platforms = platforms.all;
     license = licenses.bsd3;
+    mainProgram = "p11-kit";
   };
 }