diff --git a/classes/phosphor-fan.bbclass b/classes/phosphor-fan.bbclass
index 198b292..d0ffd99 100644
--- a/classes/phosphor-fan.bbclass
+++ b/classes/phosphor-fan.bbclass
@@ -1,2 +1,3 @@
 presence_datadir="${datadir}/phosphor-fan-presence"
 control_datadir="${datadir}/phosphor-fan-control"
+monitor_datadir="${datadir}/phosphor-fan-monitor"