diff --git a/configure.ac b/configure.ac
index 4a50e38..f76cdb7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,6 +84,14 @@
     AC_DEFINE([LED_USE_JSON],[],[Enable JSON configuration.])
 )
 
+# enable OperationalStatus monitor
+AC_ARG_ENABLE([monitor-operational-status],
+    AS_HELP_STRING([--enable-monitor-operational-status], [Enable OperationalStatus monitor.]))
+AM_CONDITIONAL([WANTS_OPERATIONAL_STATUS], [test "x$enable_monitor_operational_status" == "xyes"])
+AS_IF([test "x$enable_monitor_operational_status" == "xyes"],
+    AC_DEFINE([MONITOR_OPERATIONAL_STATUS],[],[Enable OperationalStatus monitor.])
+)
+
 # enable lamp test configuration
 AC_ARG_ENABLE([use-lamp-test],
     AS_HELP_STRING([--enable-use-lamp-test], [Enable lamp test configuration.]))