diff --git a/pkgs/tools/misc/man-db/default.nix b/pkgs/tools/misc/man-db/default.nix
index 9c8adc1d8d41..f1739cbd50dd 100644
--- a/pkgs/tools/misc/man-db/default.nix
+++ b/pkgs/tools/misc/man-db/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, pkg-config, libpipeline, db, groff, libiconv, makeWrapper, buildPackages }:
 
 stdenv.mkDerivation rec {
-  name = "man-db-2.9.4";
+  pname = "man-db";
+  version = "2.9.4";
 
   src = fetchurl {
-    url = "mirror://savannah/man-db/${name}.tar.xz";
+    url = "mirror://savannah/man-db/man-db-${version}.tar.xz";
     sha256 = "sha256-tmyZ7frRatkoyIn4fPdjgCY8FgkyPCgLOp5pY/2xZ1Y=";
   };