diff --git a/pkgs/applications/science/chemistry/jmol/default.nix b/pkgs/applications/science/chemistry/jmol/default.nix
index a57b2357d27..7f5eb7b76e8 100644
--- a/pkgs/applications/science/chemistry/jmol/default.nix
+++ b/pkgs/applications/science/chemistry/jmol/default.nix
@@ -19,9 +19,8 @@ in
 stdenv.mkDerivation rec {
   version = "14.29.31";
   pname = "jmol";
-  name = "${pname}-${version}";
 
-  src = let 
+  src = let
     baseVersion = "${lib.versions.major version}.${lib.versions.minor version}";
   in fetchurl {
     url = "mirror://sourceforge/jmol/Jmol/Version%20${baseVersion}/Jmol%20${version}/Jmol-${version}-binary.tar.gz";