diff --git a/hub/catalog_factories/usage/comnet_catalog.py b/hub/catalog_factories/usage/comnet_catalog.py
index e78fed67..aa8e03f7 100644
--- a/hub/catalog_factories/usage/comnet_catalog.py
+++ b/hub/catalog_factories/usage/comnet_catalog.py
@@ -190,7 +190,7 @@ 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]
+      usage_type = usage_parameters.iloc[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()