diff --git a/hosts/gerrit01/default.nix b/hosts/gerrit01/default.nix
index 6a95fc2..5527fb6 100755
--- a/hosts/gerrit01/default.nix
+++ b/hosts/gerrit01/default.nix
@@ -47,11 +47,11 @@
   };
   bagel.nixpkgs.one-way-sync =
   let
-    mkNixpkgsJob = { timer, branchName }: {
+    mkNixpkgsJob = { timer, branchName, localRefspec ? null }: {
       name = "nixpkgs-${branchName}";
       fromUri = "https://github.com/NixOS/nixpkgs";
       fromRefspec = branchName;
-      localRefspec = branchName;
+      localRefspec = if localRefspec != null then localRefspec else branchName;
       inherit timer;
     };
     in
@@ -63,7 +63,8 @@
 
     branches."refs/heads/main" = mkNixpkgsJob {
       timer = "hourly";
-      branchName = "main";
+      branchName = "master";
+      localRefspec = "main";
     };
 
     branches."refs/heads/staging" = mkNixpkgsJob {