diff --git a/gotify_tray/gui/MainApplication.py b/gotify_tray/gui/MainApplication.py
index 0e7c1ce..365fd1f 100644
--- a/gotify_tray/gui/MainApplication.py
+++ b/gotify_tray/gui/MainApplication.py
@@ -1,4 +1,5 @@
 import getpass
+import locale
 import logging
 import os
 import platform
@@ -405,6 +406,8 @@ def start_gui():
 
     init_logger(logger)
 
+    locale.setlocale(locale.LC_TIME, "")
+
     # prevent multiple instances
     if (app.acquire_lock() or "--no-lock" in sys.argv) and verify_server():
         app.init_ui()