2 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/physics/geant4/default.nix b/pkgs/development/libraries/physics/geant4/default.nix
index 5f51c6a194c..fb108dd7c25 100644
--- a/pkgs/development/libraries/physics/geant4/default.nix
+++ b/pkgs/development/libraries/physics/geant4/default.nix
@@ -37,7 +37,7 @@
 
 stdenv.mkDerivation rec {
   version = "10.4.1";
-  name = "geant4-${version}";
+  pname = "geant4";
 
   src = fetchurl{
     url = "http://cern.ch/geant4-data/releases/geant4.10.04.p01.tar.gz";
diff --git a/pkgs/development/libraries/physics/geant4/g4py/default.nix b/pkgs/development/libraries/physics/geant4/g4py/default.nix
index 0b1f3f0490d..dd39fbbc84b 100644
--- a/pkgs/development/libraries/physics/geant4/g4py/default.nix
+++ b/pkgs/development/libraries/physics/geant4/g4py/default.nix
@@ -16,7 +16,7 @@ in
 
 stdenv.mkDerivation rec {
   inherit (geant4_nomt) version src;
-  name = "g4py-${version}";
+  pname = "g4py";
 
   sourceRoot = "geant4.10.04.p01/environments/g4py";