diff --git a/ref-test/app/admin/views.py b/ref-test/app/admin/views.py
index 16b89d7..45aeb1b 100644
--- a/ref-test/app/admin/views.py
+++ b/ref-test/app/admin/views.py
@@ -10,7 +10,7 @@ from flask import abort, Blueprint, jsonify, render_template, request, send_file
 from flask.helpers import abort, flash, redirect, url_for
 from flask_login import current_user, login_required
 
-from datetime import date, datetime, timedelta
+from datetime import date, datetime, MINYEAR, timedelta
 from json import loads
 from os import path
 import secrets
@@ -34,11 +34,11 @@ def _home():
         write('system.log', f'Database error when processing request \'{request.url}\': {exception}')
         return abort(500)
     current_tests = [ test for test in tests if test.end_date >= datetime.now() and test.start_date.date() <= date.today() ]
-    current_tests.sort(key= lambda x: x.end_date or datetime.datetime(datetime.MINYEAR,1,1), reverse=True)
+    current_tests.sort(key= lambda x: x.end_date or datetime(MINYEAR,1,1), reverse=True)
     upcoming_tests = [ test for test in tests if test.start_date.date() > datetime.now().date()]
-    upcoming_tests.sort(key= lambda x: x.start_date or datetime.datetime(datetime.MINYEAR,1,1))
+    upcoming_tests.sort(key= lambda x: x.start_date or datetime(MINYEAR,1,1))
     recent_results = [result for result in results if not result.status == 'started' ]
-    recent_results.sort(key= lambda x: x.end_time or datetime.datetime(datetime.MINYEAR,1,1), reverse=True)
+    recent_results.sort(key= lambda x: x.end_time or datetime(MINYEAR,1,1), reverse=True)
     return render_template('/admin/index.html', current_tests = current_tests, upcomimg_tests = upcoming_tests, recent_results = recent_results)
 
 @admin.route('/settings/')