diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 6e1c6eb011ca757e7d7c470c67e6c174114f86cd..176197758890f4ff3e23d0d14f59afc1362bb5ac 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -183,7 +183,7 @@ def analyze(ice_dct, no_ice_dct):
 
     ice_indexes = np.arange(len(ice_times))
 
-    ucomm2 = np.setdiff1d(comm2, ice_indexes)
+    ucomm2 = np.setxor1d(comm2, ice_indexes)
     print(ucomm2)
     np.random.shuffle(ucomm2)
     ucomm2 = ucomm2[0:8000]