diff --git a/src/laser_diode/laser_diode.rs b/src/laser_diode/laser_diode.rs
index 456863e..9d1229b 100644
--- a/src/laser_diode/laser_diode.rs
+++ b/src/laser_diode/laser_diode.rs
@@ -182,10 +182,12 @@ impl LdDrive {
 
     pub fn set_pd_responsitivity(&mut self, responsitivity: pd_mon_params::ResponsitivityUnit) {
         self.settings.pd_mon_params.set(responsitivity);
+        self.set_ld_power_limit(self.settings.ld_pwr_limit)
     }
 
     pub fn set_pd_dark_current(&mut self, i_dark: ElectricCurrent) {
         self.settings.pd_mon_params.set_i_dark(i_dark);
+        self.set_ld_power_limit(self.settings.ld_pwr_limit)
     }
 
     pub fn set_ld_power_limit(&mut self, pwr_limit: Power) {