diff --git a/modules/nixos/services/postgresql.nix b/modules/nixos/services/postgresql.nix
index b1a367a..1784ea3 100644
--- a/modules/nixos/services/postgresql.nix
+++ b/modules/nixos/services/postgresql.nix
@@ -3,9 +3,17 @@
   services.postgresql = {
     package = pkgs.postgresql_15;
     settings = { };
-    identMap = "";
+    authentication = ''
+      local all postgres peer map=root
+      local all admin peer map=admin
+    '';
+    identMap = ''
+      root      postgres          postgres
+      root      root              postgres
+      admin     ${config.user}    admin
+    '';
     ensureUsers = [{
-      name = config.user;
+      name = "admin";
       ensureClauses = {
         createdb = true;
         createrole = true;