diff --git a/nif.xml b/nif.xml
index d8abe57fdbe58a3da21212613f94ee74b95d1733..3d1ed792dbb236adec9ddb53c2bd24453e7e1a8b 100644
--- a/nif.xml
+++ b/nif.xml
@@ -1798,7 +1798,7 @@
         <add name="Max Distance" type="float">Describe the max distance the object is able to travel.</add>
         <add name="Friction" type="float" >Friction.</add>
 
-        <add name="Unknown Byte 1" type="byte" ver1="20.2.0.7" default="0">Unknown. Do not set this to anything over 0 as it will crash the game.</add>
+        <add name="Motor" type="MotorDescriptor" ver1="20.2.0.7" vercond="User Version 2 &gt; 16" />
     </compound>
 
     <compound name="StiffSpringDescriptor">