diff --git a/pomodoro_to_harvest.py b/pomodoro_to_harvest.py
index 9996cb5..5762933 100644
--- a/pomodoro_to_harvest.py
+++ b/pomodoro_to_harvest.py
@@ -33,7 +33,7 @@ timelog["recorded"] = pd.to_datetime(timelog["recorded"]).dt.tz_convert("US/East
 
 latest_recorded = settings.pomodoro_latest_recorded()
 if latest_recorded:
-    timelog = timelog.query("recorded>" + latest_recorded)
+    timelog = timelog[timelog.recorded > pd.to_datetime(latest_recorded)]
 
 timelog["time"] = 30
 # A pomodoro started before 3am Eastern time is considered to be a continuation
@@ -96,7 +96,7 @@ for preferred, alternatives in replacement_project_names.items():
 # The fillna is essential or we drop entries with blank ('None') projects.
 tl = timelog.groupby(["date", timelog.project.fillna(""), "description"]).agg({"time": 'sum', "started": 'min', "recorded": 'max'}).reset_index()
 
-if hasattr(sys, 'ps1'):
+if not hasattr(sys, 'ps1'):
     tl.to_csv('harvest-ready.csv', index=False)
     settings.pomodoro_latest_recorded(tl.recorded.max())
 else: