diff --git a/services/hedgedoc-hacc.nix b/services/hedgedoc-hacc.nix
index 2c05b1c..f31cb3b 100644
--- a/services/hedgedoc-hacc.nix
+++ b/services/hedgedoc-hacc.nix
@@ -78,6 +78,9 @@
             "DATABASE codimd" = "ALL PRIVILEGES";
           };
         }];
+        authentication = ''
+          local all all trust
+        '';
       };
       services.postgresqlBackup = {
         enable = true;