diff --git a/manifests/unit_options.pp b/manifests/unit_options.pp
index e933e0c6744a7f55ad59d20272c6ee00a58aa516..91fa8db027e94c567ccdc048d0de4d90bbe146e9 100644
--- a/manifests/unit_options.pp
+++ b/manifests/unit_options.pp
@@ -96,7 +96,7 @@ define systemd::unit_options(
 		    notify => Class['systemd::daemon_reload'];
 	    }
 	}
-	'default': {
+	default: {
 	    fail("Systemd::Unit_options[${title}]:",
 		 " Bad parameter ensure, ``${ensure}''")
 	}