diff --git a/pkgs/by-name/mc/mcl-cpp-utility-lib/package.nix b/pkgs/by-name/mc/mcl-cpp-utility-lib/package.nix
index eb4dc2b4c6c8..5e4f745dbfbd 100644
--- a/pkgs/by-name/mc/mcl-cpp-utility-lib/package.nix
+++ b/pkgs/by-name/mc/mcl-cpp-utility-lib/package.nix
@@ -8,7 +8,7 @@
   catch2_3,
 }:
 stdenv.mkDerivation (finalAttrs: {
-  pname = "mcl";
+  pname = "mcl-cpp-utility-lib";
   version = "0.1.14";
 
   src = fetchFromGitHub {