diff --git a/ROMFS/px4fmu_common/init.d/rc.interface b/ROMFS/px4fmu_common/init.d/rc.interface
index 5ff6828ea6..255570ca5f 100644
--- a/ROMFS/px4fmu_common/init.d/rc.interface
+++ b/ROMFS/px4fmu_common/init.d/rc.interface
@@ -114,6 +114,11 @@ then
 	set MIXER_AUX none
 fi
 
+if ver hwcmp AEROFC_V1
+then
+	set MIXER_AUX none
+fi
+
 if [ $MIXER_AUX != none -a $AUX_MODE != none ]
 then
 	#
diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index 049809621c..6e144d7eb5 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -201,6 +201,11 @@ then
 		set MIXER_AUX none
 	fi
 
+	if ver hwcmp AEROFC_V1
+	then
+		set MIXER_AUX none
+	fi
+
 	#
 	# Override parameters from user configuration file
 	#