diff --git a/pkgs/by-name/ed/edit/package.nix b/pkgs/by-name/ed/edit/package.nix
index 7fc5627cf9c3..294e939978af 100644
--- a/pkgs/by-name/ed/edit/package.nix
+++ b/pkgs/by-name/ed/edit/package.nix
@@ -12,7 +12,7 @@
 
 stdenv.mkDerivation {
   pname = "edit";
-  version = "unstable-2021-04-05";
+  version = "0-unstable-2021-04-05";
 
   src = fetchgit {
     url = "git://c9x.me/ed.git";