diff --git a/config/update.properties b/config/update.properties
index 63519da..283c64f 100644
--- a/config/update.properties
+++ b/config/update.properties
@@ -6,3 +6,4 @@ beamstopZ=monitored
 collimatorX=monitored
 collimatorY=monitored
 scintillatorY=monitored
+scintillatorZ=monitored