1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/libraries/physics/geant4/g4py/default.nix b/nixpkgs/pkgs/development/libraries/physics/geant4/g4py/default.nix
index 0b1f3f0490d2..dd39fbbc84b7 100644
--- a/nixpkgs/pkgs/development/libraries/physics/geant4/g4py/default.nix
+++ b/nixpkgs/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";