diff --git a/modules/git.nix b/modules/git.nix
index 0501fe9..063a8e9 100644
--- a/modules/git.nix
+++ b/modules/git.nix
@@ -16,6 +16,11 @@
       aliases = {
         #st = "status";
       };
+      extraConfig = {
+        init.defaultBranch = "main";
+        # TODO: Remove once this becomes default
+        extensions.objectFormat = "sha256";
+      };
     };
   };
 }