diff --git a/systems/x86_64-linux/attic/atticd.nix b/systems/x86_64-linux/attic/atticd.nix
index 07bacac..6ba5e4c 100644
--- a/systems/x86_64-linux/attic/atticd.nix
+++ b/systems/x86_64-linux/attic/atticd.nix
@@ -8,11 +8,11 @@
   services.postgresql = {
     enable = true;
     ensureDatabases = [ "attic" ];
-    ensureUsers = [ { name = "atticd"; } ];
+    ensureUsers = [{ name = "atticd"; }];
   };
 
   systemd.services.postgresql.postStart = lib.mkAfter ''
-    psql -tAc 'ALTER DATABASE "attic" OWNER TO "atticd"'
+    psql -d postgres -tAc 'ALTER DATABASE "attic" OWNER TO "atticd"'
   '';
 
   environment.systemPackages = with pkgs; [ attic-client ];