diff --git a/ORBIT_NUMBER_TEMPLATE/mav_orb_num.xml b/ORBIT_NUMBER_TEMPLATE/mav_orb_num.xml
index 7070ae3..47ed2eb 100644
--- a/ORBIT_NUMBER_TEMPLATE/mav_orb_num.xml
+++ b/ORBIT_NUMBER_TEMPLATE/mav_orb_num.xml
@@ -5,7 +5,7 @@
 			<baseParam name="R_IAU_MARS"/>
 		</vi>
 	</get>
-    <process description="MAVEN">#ttcat_to_param($maven_orb_marsorb_R_IAU_MARS;XXXXX;column1)</process>
+    <process description="MAVEN">#ttcat_to_param($maven_orb_marsobs_R_IAU_MARS;XXXXX;column1)</process>
 	<output/>
 </param>
 
--
libgit2 0.21.2