--- gwlb.inc.b073118.071004	2018-08-01 07:00:49.581151000 -0700
+++ gwlb.inc	2018-08-01 13:25:16.512258000 -0700
@@ -1216,8 +1216,8 @@
 			$pluginparams['type'] = 'gateway';
 			$pluginparams['name'] = $gwname;
 			if ($gwdown == true) {
-				if (!file_exists("/tmp/.down.{$gwname}")) {
-					touch("/tmp/.down.{$gwname}");
+				if (!file_exists("/tmp/.down.$gwname")) {
+					touch("/tmp/.down.$gwname");
 					$msg .= "\n".implode("|", $status);
 					$pluginparams['event'] = 'gateway.down';
 					$statuschanged = true;
@@ -1228,7 +1228,7 @@
 					$tiers[$tier] = array();
 				}
 				$tiers[$tier][] = $gwname;
-				if (unlink_if_exists("/tmp/.down.{$gwname}")) {
+				if (unlink_if_exists("/tmp/.down.$gwname")) {
 					$msg = sprintf(getmypid () . gettext('MONITOR: %1$s is available now, adding to routing group %2$s'), $gwname, $group['name']);
 					$msg .= "\n".implode("|", $status);
 					$pluginparams['event'] = 'gateway.up';