diff --git a/conf/airframes/microjetI.xml b/conf/airframes/microjetI.xml
index ff0986b750..4cf1525fa2 100644
--- a/conf/airframes/microjetI.xml
+++ b/conf/airframes/microjetI.xml
@@ -82,7 +82,7 @@
 
   <section name="BAT">
     <define name="MILLIAMP_PER_PERCENT" value="0.86"/>
-    <define name="LOW_BATTERY" value="9.3" unit="V"/>
+    <define name="CATASTROPHIC_BAT_LEVEL" value="9.3" unit="V"/>
   </section>
  
   <section name="MISC">