diff --git a/nixos/modules/services/hardware/bluetooth.nix b/nixos/modules/services/hardware/bluetooth.nix
index ebe10199bb78..47fb322e56d2 100644
--- a/nixos/modules/services/hardware/bluetooth.nix
+++ b/nixos/modules/services/hardware/bluetooth.nix
@@ -153,6 +153,7 @@ in
               CapabilityBoundingSet = [
                 "CAP_NET_BIND_SERVICE" # sockets and tethering
               ];
+              ConfigurationDirectoryMode = "0755";
               NoNewPrivileges = true;
               RestrictNamespaces = true;
               ProtectControlGroups = true;