diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index be882444fe07b14bb50460ea420e769809eac72b..2a20b2970f64753e24374d85b004f0ca6888900e 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -602,7 +602,7 @@ def run_daynight(filename, filename_l1b, day_night='ANY'):
     f_l1b.close()
 
 
-def run_qc(filename, filename_l1b, day_night='ANY', pass_thresh_frac=0.25):
+def run_qc(filename, filename_l1b, day_night='ANY', pass_thresh_frac=0.20):
 
     f = h5py.File(filename, 'r')
     icing_alt = f['icing_altitude'][:]