diff --git a/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix b/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix
index 0c89451871a4..b90123017bde 100644
--- a/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix
+++ b/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/3.1.nix
@@ -20,7 +20,8 @@ let
 in
 
 stdenv.mkDerivation {
-  name = "docbook-sgml-3.1";
+  pname = "docbook-sgml";
+  version = "3.1";
 
   dontUnpack = true;
 
diff --git a/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix b/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix
index d20313d7e237..b417674798b2 100644
--- a/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix
+++ b/pkgs/data/sgml+xml/schemas/sgml-dtd/docbook/4.1.nix
@@ -20,7 +20,8 @@ let
 in
 
 stdenv.mkDerivation {
-  name = "docbook-sgml-4.1";
+  pname = "docbook-sgml";
+  version = "4.1";
 
   dontUnpack = true;