diff --git a/conf/settings/estimation/ahrs_secondary.xml b/conf/settings/estimation/ahrs_secondary.xml
index 0a6d73283e..7418f257e8 100644
--- a/conf/settings/estimation/ahrs_secondary.xml
+++ b/conf/settings/estimation/ahrs_secondary.xml
@@ -4,7 +4,7 @@
   <dl_settings>
 
     <dl_settings NAME="AHRS">
-       <dl_setting var="ahrs_output_idx" min="0" step="1" max="1" module="subsystems/ahrs" shortname="ahrs_idx" handler="switch"/>
+       <dl_setting var="ahrs_output_idx" min="0" step="1" max="1" values="PRIMARY|SECONDARY" module="subsystems/ahrs" shortname="ahrs output" handler="switch"/>
     </dl_settings>
 
   </dl_settings>