diff --git a/src/gui/gcal-event-widget.c b/src/gui/gcal-event-widget.c
index d5077200..5b6342c1 100644
--- a/src/gui/gcal-event-widget.c
+++ b/src/gui/gcal-event-widget.c
@@ -894,7 +894,7 @@ gcal_event_widget_class_init (GcalEventWidgetClass *klass)
   gtk_widget_class_bind_template_callback (widget_class, on_drag_source_prepare_cb);
 
   gtk_widget_class_set_css_name (widget_class, "event");
-  gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_BUTTON);
+  gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_TOGGLE_BUTTON);
 
   gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
 }