diff --git a/src/laser_diode/laser_diode.rs b/src/laser_diode/laser_diode.rs
index 5c1d42d..94faa2f 100644
--- a/src/laser_diode/laser_diode.rs
+++ b/src/laser_diode/laser_diode.rs
@@ -182,6 +182,7 @@ impl LdDrive{
         LdPwrExcProtector::set_trigger_threshold_v(self.settings.pd_responsitivity
             .get_ld_i_from_ld_pwr(pwr_limit) / Settings::PD_MON_TRANSCONDUCTANCE
         );
+        self.settings.ld_pwr_limit = pwr_limit;
     }
 
     pub fn set_pd_i_limit(&mut self, i: ElectricCurrent){