diff --git a/pychron/lasers/laser_managers/laser_manager.py b/pychron/lasers/laser_managers/laser_manager.py
index 7cf5c25b8..f7a460b0c 100644
--- a/pychron/lasers/laser_managers/laser_manager.py
+++ b/pychron/lasers/laser_managers/laser_manager.py
@@ -174,6 +174,7 @@ def set_laser_power(self, power, verbose=True, units=None, *args, **kw):
         self._requested_power = power
         self._calibrated_power = p
         self._set_laser_power_hook(p, verbose=verbose)
+        return True
 
     def close(self, ok):
         self.pulse.dump_pulse()