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-rw-r--r--pkgs/tools/system/cron/default.nix8
1 files changed, 5 insertions, 3 deletions
diff --git a/pkgs/tools/system/cron/default.nix b/pkgs/tools/system/cron/default.nix
index d1b8d2d6afd9e..8f8421781e36f 100644
--- a/pkgs/tools/system/cron/default.nix
+++ b/pkgs/tools/system/cron/default.nix
@@ -1,9 +1,11 @@
 {lib, stdenv, fetchurl, vim, sendmailPath ? "/usr/sbin/sendmail"}:
 
-stdenv.mkDerivation {
-  name = "cron-4.1";
+stdenv.mkDerivation rec {
+  pname = "cron";
+  version = "4.1";
+
   src = fetchurl {
-    url = "ftp://ftp.isc.org/isc/cron/cron_4.1.shar";
+    url = "ftp://ftp.isc.org/isc/cron/cron_${version}.shar";
     sha256 = "16n3dras4b1jh7g958nz1k54pl9pg5fwb3fvjln8z67varvq6if4";
   };