diff --git a/script/devices/Detector.py b/script/devices/Detector.py
index 5fb5881..0f3d65b 100644
--- a/script/devices/Detector.py
+++ b/script/devices/Detector.py
@@ -18,6 +18,7 @@ class Detector(DeviceBase):
     def set_pars(self, pars):
         print pars
         print type(pars)
+        self.p=pars
         if type(pars) == dict:
             self.simulated_pars=pars