diff --git a/org.gnome.Calendar.json b/org.gnome.Calendar.json
index 4e03ab8b..1ed6afb0 100644
--- a/org.gnome.Calendar.json
+++ b/org.gnome.Calendar.json
@@ -10,6 +10,7 @@
         "--share=ipc", "--socket=x11",
         "--socket=wayland",
         "--share=network",
+        "--system-talk-name=org.freedesktop.login1",
         "--talk-name=org.gnome.ControlCenter",
         "--talk-name=org.gnome.OnlineAccounts",
         "--talk-name=org.gnome.evolution.dataserver.AddressBook9",