1 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/development/libraries/physics/thepeg/default.nix b/pkgs/development/libraries/physics/thepeg/default.nix
index 046413c64f4..272761977ba 100644
--- a/pkgs/development/libraries/physics/thepeg/default.nix
+++ b/pkgs/development/libraries/physics/thepeg/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, boost, fastjet, gsl, hepmc, lhapdf, rivet, zlib }:
+{ stdenv, fetchurl, boost, fastjet, gsl, hepmc2, lhapdf, rivet, zlib }:
 
 stdenv.mkDerivation rec {
   name = "thepeg-${version}";
@@ -9,10 +9,10 @@ stdenv.mkDerivation rec {
     sha256 = "1rmmwhk9abn9mc9j3127axjwpvymv21ld4wcivwz01pldkxh06n6";
   };
 
-  buildInputs = [ boost fastjet gsl hepmc lhapdf rivet zlib ];
+  buildInputs = [ boost fastjet gsl hepmc2 lhapdf rivet zlib ];
 
   configureFlags = [
-    "--with-hepmc=${hepmc}"
+    "--with-hepmc=${hepmc2}"
     "--with-rivet=${rivet}"
     "--without-javagui"
   ];