diff --git a/activity_browser/bwutils/superstructure/activities.py b/activity_browser/bwutils/superstructure/activities.py
index 97c990012..ead625063 100644
--- a/activity_browser/bwutils/superstructure/activities.py
+++ b/activity_browser/bwutils/superstructure/activities.py
@@ -91,7 +91,8 @@ def get_relevant_activities(df: pd.DataFrame, part: str = "from") -> dict:
     if sub.empty:
         return {}
 
-    names, products, locations, dbs = sub.iloc[:, 0:4].apply(set, axis=0)
+    names, products, locations, dbs = list(map(set, sub.iloc[:, 0:4].values.T))
+#    names, products, locations, dbs = sub.iloc[:, 0:4].apply(set, axis=0)
     query = (ActivityDataset
              .select(ActivityDataset.name, ActivityDataset.product,
                      ActivityDataset.location, ActivityDataset.database,
@@ -113,7 +114,8 @@ def get_relevant_flows(df: pd.DataFrame, part: str = "from") -> dict:
     if sub.empty:
         return {}
 
-    names, categories, dbs = sub.iloc[:, 0:3].apply(set, axis=0)
+    names, categories, dbs = list(map(set, sub.iloc[:, 0:3].values.T))
+#    names, categories, dbs = sub.iloc[:, 0:3].apply(set, axis=0)
     query = (ActivityDataset
              .select(ActivityDataset.name, ActivityDataset.data,
                      ActivityDataset.database, ActivityDataset.code)
diff --git a/activity_browser/bwutils/superstructure/excel.py b/activity_browser/bwutils/superstructure/excel.py
index 9d6435c24..e009c624f 100644
--- a/activity_browser/bwutils/superstructure/excel.py
+++ b/activity_browser/bwutils/superstructure/excel.py
@@ -83,7 +83,7 @@ def import_from_excel(document_path: Union[str, Path], import_sheet: int = 1) ->
 
         # Convert specific columns that may have tuples as strings
         columns = ["from categories", "from key", "to categories", "to key"]
-        data.loc[:, columns] = data[columns].applymap(convert_tuple_str)
+        data.loc[:, columns] = data[columns].map(convert_tuple_str)
     except:
         # skip the error checks here, these now occur in the calling layout.tabs.LCA_setup module
         pass