diff --git a/src/drivers/px4fmu/px4fmu_params.c b/src/drivers/px4fmu/px4fmu_params.c
index ef345f193d..2f5461a233 100644
--- a/src/drivers/px4fmu/px4fmu_params.c
+++ b/src/drivers/px4fmu/px4fmu_params.c
@@ -47,6 +47,8 @@
  *
  * Set to 1 to invert the channel, 0 for default direction.
  *
+ * @reboot_required true
+ *
  * @min 0
  * @max 1
  * @group PWM Outputs
@@ -58,6 +60,8 @@ PARAM_DEFINE_INT32(PWM_AUX_REV1, 0);
  *
  * Set to 1 to invert the channel, 0 for default direction.
  *
+ * @reboot_required true
+ *
  * @min 0
  * @max 1
  * @group PWM Outputs
@@ -69,6 +73,8 @@ PARAM_DEFINE_INT32(PWM_AUX_REV2, 0);
  *
  * Set to 1 to invert the channel, 0 for default direction.
  *
+ * @reboot_required true
+ *
  * @min 0
  * @max 1
  * @group PWM Outputs
@@ -80,6 +86,8 @@ PARAM_DEFINE_INT32(PWM_AUX_REV3, 0);
  *
  * Set to 1 to invert the channel, 0 for default direction.
  *
+ * @reboot_required true
+ *
  * @min 0
  * @max 1
  * @group PWM Outputs
@@ -91,6 +99,8 @@ PARAM_DEFINE_INT32(PWM_AUX_REV4, 0);
  *
  * Set to 1 to invert the channel, 0 for default direction.
  *
+ * @reboot_required true
+ *
  * @min 0
  * @max 1
  * @group PWM Outputs
@@ -102,6 +112,8 @@ PARAM_DEFINE_INT32(PWM_AUX_REV5, 0);
  *
  * Set to 1 to invert the channel, 0 for default direction.
  *
+ * @reboot_required true
+ *
  * @min 0
  * @max 1
  * @group PWM Outputs