diff --git a/nixos/mercurial/home.nix b/nixos/mercurial/home.nix
index 2a9a811a..f1491f5c 100644
--- a/nixos/mercurial/home.nix
+++ b/nixos/mercurial/home.nix
@@ -6,6 +6,7 @@
     extraConfig = {
       pager.pager = "cat";
       ui.paginate = "never";
+      defaults.revert = "--no-backup";
     };
     aliases = { };
   };