1 files changed, 5 insertions, 5 deletions
diff --git a/pkgs/applications/version-management/tkcvs/default.nix b/pkgs/applications/version-management/tkcvs/default.nix
index 6a9e910f801..36e9154571b 100644
--- a/pkgs/applications/version-management/tkcvs/default.nix
+++ b/pkgs/applications/version-management/tkcvs/default.nix
@@ -1,11 +1,11 @@
-{lib, stdenv, fetchurl, tcl, tk}:
+{ lib, stdenv, fetchurl, tcl, tk }:
 
-stdenv.mkDerivation
-{
-  name = "tkcvs-8.2.1";
+stdenv.mkDerivation rec {
+  pname = "tkcvs";
+  version = "8.2.1";
 
   src = fetchurl {
-    url = "mirror://sourceforge/tkcvs/tkcvs_8_2_1.tar.gz";
+    url = "mirror://sourceforge/tkcvs/tkcvs_${lib.replaceStrings ["."] ["_"] version}.tar.gz";
     sha256 = "0kvj6rcx1153wq0n1lmd8imbrki6xy5wxghwzlb9i15l65sclg3i";
   };