diff --git a/pomodoro_to_harvest.py b/pomodoro_to_harvest.py
index cfdd1e9..41a0269 100644
--- a/pomodoro_to_harvest.py
+++ b/pomodoro_to_harvest.py
@@ -160,8 +160,7 @@ timelog['project'] = (np.where(timelog['project'].str.contains(': '), timelog['p
 # Condense duplicate entries by date, summing the minutes spent, and listing
 # the first started and last recorded times for each task.
 # The fillna is essential or we drop entries with blank ('None') projects.
-timelogMI = pd.MultiIndex.from_frame(timelog)
-tl = timelogMI.groupby(["date", timelog.subproject.fillna("Development"), timelog.project.fillna(""), "description"]).agg({"time": 'sum', "started": 'min', "recorded": 'max'}).reset_index()
+tl = timelog.groupby(["date", timelog.project.fillna(""), timelog.subproject.fillna("Development"), "description"]).agg({"time": 'sum', "started": 'min', "recorded": 'max'}).reset_index()
 
 # We're doing the final conversion to Harvest as a separate step because we
 # want to factor out all of the above non-Harvest-specific logic.