diff --git a/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml b/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml
index ae7193d..0ddd0d7 100644
--- a/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml
+++ b/src/AutoPilotPlugins/PX4/AirframeFactMetaData.xml
@@ -943,8 +943,8 @@
       <type>VTOL Quad Tailsitter</type>
       <output name="MAIN1">motor 1</output>
       <output name="MAIN2">motor 2</output>
-      <output name="MAIN3">motor 4</output>
-      <output name="MAIN4">motor 5</output>
+      <output name="MAIN3">motor 3</output>
+      <output name="MAIN4">motor 4</output>
       <output name="MAIN5">elevon left</output>
       <output name="MAIN6">elevon right</output>
       <output name="MAIN7">canard surface</output>