diff --git a/conf/airframes/examples/quadrotor_lisa_m_2_pwm_spektrum.xml b/conf/airframes/examples/quadrotor_lisa_m_2_pwm_spektrum.xml
index 2d507056ae..099ab06ca6 100644
--- a/conf/airframes/examples/quadrotor_lisa_m_2_pwm_spektrum.xml
+++ b/conf/airframes/examples/quadrotor_lisa_m_2_pwm_spektrum.xml
@@ -202,6 +202,8 @@
     <define name="ACTUATOR_NAMES"  value="{&quot;front_motor&quot;, &quot;back_motor&quot;, &quot;right_motor&quot;, &quot;left_motor&quot;}"/>
     <define name="INITIAL_CONDITITONS" value="&quot;reset00&quot;"/>
     <define name="SENSORS_PARAMS" value="&quot;nps_sensors_params_default.h&quot;"/>
+    <!-- mode switch on joystick channel 5 (axis numbering starting at zero) -->
+    <define name="JS_MODE_AXIS" value="4"/>
   </section>
 
   <section name="AUTOPILOT">
diff --git a/conf/airframes/fraser_lisa_m_rotorcraft.xml b/conf/airframes/fraser_lisa_m_rotorcraft.xml
index 877f496e66..f7e3935c5f 100644
--- a/conf/airframes/fraser_lisa_m_rotorcraft.xml
+++ b/conf/airframes/fraser_lisa_m_rotorcraft.xml
@@ -239,6 +239,7 @@
     <define name="ACTUATOR_NAMES"  value="{&quot;front_motor&quot;, &quot;back_motor&quot;, &quot;right_motor&quot;, &quot;left_motor&quot;}"/>
     <define name="INITIAL_CONDITITONS" value="&quot;reset00&quot;"/>
     <define name="SENSORS_PARAMS" value="&quot;nps_sensors_params_default.h&quot;"/>
+    <!-- mode switch on joystick channel 5 (axis numbering starting at zero) -->
     <define name="JS_MODE_AXIS" value="4"/>
   </section>