diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index b25428ce638254360b85c6c90047c061ae024ca8..0e5ada54aa054b42db5531caddb2db95a8ec052a 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1144,7 +1144,7 @@ def run_mean_std():
 
     data = []
     for dname in ds_list:
-        for ice_h5f, idx in enumerate(ice_h5f_lst):
+        for idx, ice_h5f in enumerate(ice_h5f_lst):
             no_ice_h5f = no_ice_h5f_lst[idx]
             data.append(ice_h5f[dname][:,].flatten())
             data.append(no_ice_h5f[dname][:,].flatten())