diff --git a/mpikat/effelsberg/edd/edd_fits_interface.py b/mpikat/effelsberg/edd/edd_fits_interface.py
index b8ee95a700b5b664d067b2e689a5d8af3c35288e..cace8fdd430c147d4a7dd3f6fb4b8c02250b53ed 100644
--- a/mpikat/effelsberg/edd/edd_fits_interface.py
+++ b/mpikat/effelsberg/edd/edd_fits_interface.py
@@ -531,7 +531,7 @@ class GatedSpectrometerSpeadHandler(object):
         # packets with noise diode on are required to arrive at different time
         # than off
         if(packet.noise_diode_status == 1):
-            packet.reference_time += 0.1000
+            packet.reference_time += 0.001
 
         if packet.reference_time > self.__now:
             self.__now = packet.reference_time