diff --git a/ROMFS/px4fmu_common/init.d/3033_wingwing b/ROMFS/px4fmu_common/init.d/3033_wingwing
index 75163168e3..3cbbd555e3 100644
--- a/ROMFS/px4fmu_common/init.d/3033_wingwing
+++ b/ROMFS/px4fmu_common/init.d/3033_wingwing
@@ -32,7 +32,7 @@ then
 	param set FW_THR_CRUISE 0.65
 fi
 
-set MIXER FMU_wingwing
+set MIXER wingwing
 # Provide ESC a constant 1000 us pulse
 set PWM_OUTPUTS 4
 set PWM_DISARMED 1000
diff --git a/ROMFS/px4fmu_common/mixers/FMU_wingwing b/ROMFS/px4fmu_common/mixers/wingwing.mix
similarity index 100%
rename from ROMFS/px4fmu_common/mixers/FMU_wingwing
rename to ROMFS/px4fmu_common/mixers/wingwing.mix