diff --git a/pkgs/applications/editors/emacs-unicode/default.nix b/pkgs/applications/editors/emacs-unicode/default.nix
index 5091ccf5dd68..7a0895b10318 100644
--- a/pkgs/applications/editors/emacs-unicode/default.nix
+++ b/pkgs/applications/editors/emacs-unicode/default.nix
@@ -15,7 +15,7 @@ assert gtkGUI -> pkgconfig != null && gtk != null;
 assert xftSupport -> libXft != null && libpng != null; # libpng = probably a bug
 
 stdenv.mkDerivation {
-  name = "emacs-23.0.0.1-pre20070705";
+  name = "emacs-snapshot-23.0.0.1-pre20070705";
   
   builder = ./builder.sh;