diff --git a/hub/catalog_factories/usage/comnet_catalog.py b/hub/catalog_factories/usage/comnet_catalog.py
index e78fed67..64a40f6d 100644
--- a/hub/catalog_factories/usage/comnet_catalog.py
+++ b/hub/catalog_factories/usage/comnet_catalog.py
@@ -190,14 +190,14 @@ class ComnetCatalog(Catalog):
     schedules_key = {}
     for j in range(0, number_usage_types-1):
       usage_parameters = _extracted_data.iloc[j]
-      usage_type = usage_parameters[0]
-      lighting_data[usage_type] = usage_parameters[1:6].values.tolist()
-      plug_loads_data[usage_type] = usage_parameters[8:13].values.tolist()
-      occupancy_data[usage_type] = usage_parameters[17:20].values.tolist()
-      ventilation_rate[usage_type] = usage_parameters[20:21].item()
-      water_heating[usage_type] = usage_parameters[23:24].item()
-      process_data[usage_type] = usage_parameters[24:26].values.tolist()
-      schedules_key[usage_type] = usage_parameters[27:28].item()
+      usage_type = usage_parameters.iloc[0]
+      lighting_data[usage_type] = usage_parameters.iloc[1:6].values.tolist()
+      plug_loads_data[usage_type] = usage_parameters.iloc[8:13].values.tolist()
+      occupancy_data[usage_type] = usage_parameters.iloc[17:20].values.tolist()
+      ventilation_rate[usage_type] = usage_parameters.iloc[20:21].item()
+      water_heating[usage_type] = usage_parameters.iloc[23:24].item()
+      process_data[usage_type] = usage_parameters.iloc[24:26].values.tolist()
+      schedules_key[usage_type] = usage_parameters.iloc[27:28].item()
 
     return {'lighting': lighting_data,
             'plug loads': plug_loads_data,