diff --git a/pkgs/tools/networking/cjdns/default.nix b/pkgs/tools/networking/cjdns/default.nix
index ffe22a93d0d..b42f202099b 100644
--- a/pkgs/tools/networking/cjdns/default.nix
+++ b/pkgs/tools/networking/cjdns/default.nix
@@ -4,7 +4,7 @@ let
   rev = "f7b02ac0cc";
 in
 stdenv.mkDerivation {
-  name = "cjdns-git-20130620-${stdenv.lib.strings.substring 0 7 rev}";
+  name = "cjdns-20130620-${stdenv.lib.strings.substring 0 7 rev}";
 
   src = fetchgit {
     url = "https://github.com/cjdelisle/cjdns.git";