diff --git a/Models/Instruments/Radio/Radio2.xml b/Models/Instruments/Radio/Radio2.xml
index 83b3a6eb..f38896da 100644
--- a/Models/Instruments/Radio/Radio2.xml
+++ b/Models/Instruments/Radio/Radio2.xml
@@ -1597,7 +1597,7 @@
 					<value>1</value>
 				</equals>
 				<greater-than-equals>
-					<property>systems/electrical/bus/dc-ess</property>
+					<property>systems/electrical/bus/dc2</property>
 					<value>25</value>
 				</greater-than-equals>
 				<equals>