diff --git a/etc/inc/vslb.inc b/etc/inc/vslb.inc
index 86616c787c..ef35c2bb06 100644
--- a/etc/inc/vslb.inc
+++ b/etc/inc/vslb.inc
@@ -191,7 +191,9 @@ function relayd_configure() {
 	break;
       }
     }
-    $check_a[$type['name']] = $mon->p();
+    if($mon) {
+      $check_a[$type['name']] = $mon->p();
+    }
   }