diff --git a/conf/airframes/ardrone2_raw.xml b/conf/airframes/ardrone2_raw.xml
index 98ec28a287..8025779613 100644
--- a/conf/airframes/ardrone2_raw.xml
+++ b/conf/airframes/ardrone2_raw.xml
@@ -190,6 +190,10 @@
     <define name="HOVER_KP" value="283"/>
     <define name="HOVER_KD" value="82"/>
     <define name="HOVER_KI" value="13"/>
+    <!-- 1.5m/s for full stick : BOOZ_SPEED_I_OF_F(1.5) / (MAX_PPRZ/2) -->
+    <define name="RC_CLIMB_COEF" value="163"/>
+    <!-- BOOZ_SPEED_I_OF_F(1.5) * 20% -->
+    <define name="RC_CLIMB_DEAD_BAND" value="160000"/>
     <define name="NOMINAL_HOVER_THROTTLE" value="0.655"/>
     <define name="ADAPT_THROTTLE_ENABLED" value="FALSE"/>
   </section>