diff --git a/SimGeneral/MixingModule/python/pixelDigitizer_cfi.py b/SimGeneral/MixingModule/python/pixelDigitizer_cfi.py
index bb0bd83bd13a4..da76ee8ea334c 100644
--- a/SimGeneral/MixingModule/python/pixelDigitizer_cfi.py
+++ b/SimGeneral/MixingModule/python/pixelDigitizer_cfi.py
@@ -20,7 +20,8 @@
 # customization applies only to phase0/1 pixel.
 from Configuration.ProcessModifiers.premix_stage2_cff import premix_stage2
 premix_stage2.toModify(pixelDigitizer,
-    AddPixelInefficiency = False # will be added in DataMixer
+    AddPixelInefficiency = False, # will be added in DataMixer
+    KillBadFEDChannels = False # will be added in DataMixer
 )
 
 from SimTracker.SiPhase2Digitizer.phase2TrackerDigitizer_cfi import phase2TrackerDigitizer as _phase2TrackerDigitizer, _premixStage1ModifyDict