diff --git a/check_nwc_health/control b/check_nwc_health/control
index f58ba1e..7878400 100644
--- a/check_nwc_health/control
+++ b/check_nwc_health/control
@@ -1,6 +1,6 @@
 Homepage: http://labs.consol.de/lang/en/nagios/check_nwc_health/
 Watch: http://labs.consol.de/lang/en/nagios/check_nwc_health/ check_nwc_health-([0-9.]+)\.tar\.gz
-Recommends: libjson-perl, libfile-slurp-perl
+Recommends: libjson-perl, libjson-xs-perl, libfile-slurp-perl
 Uploaders: Jan Wagner <waja@cyconet.org>
 Description: This plugin checks the hardware health and interface metrics
  of network components like switches and routers.