diff --git a/pkgs/by-name/nixpkgs-bootstrap/mkNixpkgs.nix b/pkgs/by-name/nixpkgs-bootstrap/mkNixpkgs.nix
index 5e2b5a679..c466fec22 100644
--- a/pkgs/by-name/nixpkgs-bootstrap/mkNixpkgs.nix
+++ b/pkgs/by-name/nixpkgs-bootstrap/mkNixpkgs.nix
@@ -102,7 +102,7 @@ let
     fetchpatch2' = if fetchpatch2 != null then fetchpatch2 else unpatchedNixpkgs.fetchpatch2;
 
     patchedSrc = applyPatches' {
-      name = "nixpkgs-patched-uninsane";
+      name = "nixpkgs-${branch}-sane";
       inherit version;
 
       src = {