diff --git a/bumblebee_status/modules/contrib/gcalendar.py b/bumblebee_status/modules/contrib/gcalendar.py
index 418f059..e438bdd 100644
--- a/bumblebee_status/modules/contrib/gcalendar.py
+++ b/bumblebee_status/modules/contrib/gcalendar.py
@@ -136,7 +136,7 @@ class Module(core.module.Module):
                             % (
                                 gevent["date"]
                                 .astimezone()
-                                .strftime(f"{self.__date_format} {__time_format}"),
+                                .strftime(f"{self.__date_format} {self.__time_format}"),
                                 gevent["summary"],
                             )
                         )