diff --git a/slic/devices/xdiagnostics/profilemonitor.py b/slic/devices/xdiagnostics/profilemonitor.py
index 63edd50c..736cae93 100644
--- a/slic/devices/xdiagnostics/profilemonitor.py
+++ b/slic/devices/xdiagnostics/profilemonitor.py
@@ -17,17 +17,17 @@ class PPRM(Device):
 
 
     def move_in(self):
-        self.target.set_target_value(True)
+        return self.target.set_target_value(True)
 
     def move_out(self):
-        self.target.set_target_value(False)
+        return self.target.set_target_value(False)
 
 
     def illumination_on(self):
-        self.led.set_target_value(True)
+        return self.led.set_target_value(True)
 
     def illumination_off(self):
-        self.led.set_target_value(False)
+        return self.led.set_target_value(False)