diff --git a/plug.py b/plug.py
index acaa006a..e11cf743 100644
--- a/plug.py
+++ b/plug.py
@@ -14,7 +14,7 @@ import operator
 import os
 import sys
 import tkinter as tk
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from pathlib import Path
 from tkinter import ttk
 from typing import Any, Mapping, MutableMapping
@@ -335,8 +335,8 @@ def notify_journal_entry(
 
     if "timestamp" in entry and not config.skip_timecheck:
         # Check that timestamp is recent enough
-        dt = datetime.strptime(entry["timestamp"], "%Y-%m-%dT%H:%M:%SZ")
-        if dt > datetime.utcnow() - timedelta(minutes=60):
+        dt = datetime.strptime(entry["timestamp"], "%Y-%m-%dT%H:%M:%SZ").replace(tzinfo=timezone.utc)
+        if dt < datetime.now(timezone.utc) - timedelta(minutes=60):
             error = f"Event at {entry['timestamp']} beyond Time Delta of 60 minutes. Skipping."
             return error