diff --git a/paris-container.nix b/paris-container.nix
index 783f59a..888d27b 100644
--- a/paris-container.nix
+++ b/paris-container.nix
@@ -176,8 +176,8 @@ in {
               config_file_version = 2;
               reconnection_retries = 3;
               sbus_timeout = 30;
-              services = [ "nss" "pam" "ssh" ];
-              domains = [ cfg.ldap.domain ];
+              services = concatStringsSep " " [ "nss" "pam" "ssh" ];
+              domains = concatStringsSep " " [ cfg.ldap.domain ];
             };
 
             pam = { reconnection_retries = 3; };