diff --git a/libraries/AP_HAL_PX4/RCOutput.cpp b/libraries/AP_HAL_PX4/RCOutput.cpp
index 49d1d0f476..831d1941d2 100644
--- a/libraries/AP_HAL_PX4/RCOutput.cpp
+++ b/libraries/AP_HAL_PX4/RCOutput.cpp
@@ -641,4 +641,13 @@ void PX4RCOutput::set_output_mode(enum output_mode mode)
 }
 
 
+// set default output update rate
+void PX4RCOutput::set_default_rate(uint16_t rate_hz)
+{
+    ioctl(_pwm_fd, PWM_SERVO_SET_DEFAULT_UPDATE_RATE, rate_hz);
+    if (_alt_fd != -1) {
+        ioctl(_alt_fd, PWM_SERVO_SET_DEFAULT_UPDATE_RATE, rate_hz);
+    }    
+}
+
 #endif // CONFIG_HAL_BOARD
diff --git a/libraries/AP_HAL_PX4/RCOutput.h b/libraries/AP_HAL_PX4/RCOutput.h
index 37038b7d10..9436882cc5 100644
--- a/libraries/AP_HAL_PX4/RCOutput.h
+++ b/libraries/AP_HAL_PX4/RCOutput.h
@@ -40,6 +40,9 @@ public:
     void timer_tick(void) override;
     bool enable_sbus_out(uint16_t rate_hz) override;
 
+    // set default output update rate
+    void set_default_rate(uint16_t rate_hz) override;
+
 private:
     int _pwm_fd;
     int _alt_fd;