diff --git a/ROMFS/px4fmu_common/init.d/rc.interface b/ROMFS/px4fmu_common/init.d/rc.interface
index 1d91722f24..c433be1d08 100644
--- a/ROMFS/px4fmu_common/init.d/rc.interface
+++ b/ROMFS/px4fmu_common/init.d/rc.interface
@@ -182,7 +182,7 @@ then
 
 		if [ $FAILSAFE_AUX != none ]
 		then
-			pwm failsafe -p ${FAILSAFE} -d ${OUTPUT_AUX_DEV}
+			pwm failsafe -c ${PWM_AUX_OUT} -p ${FAILSAFE} -d ${OUTPUT_AUX_DEV}
 		fi
 	fi
 fi
@@ -226,7 +226,7 @@ then
 
 	if [ $FAILSAFE != none ]
 	then
-		pwm failsafe -p ${FAILSAFE} -d ${OUTPUT_DEV}
+		pwm failsafe -c ${PWM_OUT} -p ${FAILSAFE} -d ${OUTPUT_DEV}
 	fi
 fi