--- xfce4-battery-plugin-1.0.0~/panel-plugin/battery.c	2011-01-03 13:38:40.000000000 +0100
+++ xfce4-battery-plugin-1.0.0/panel-plugin/battery.c	2011-02-22 17:00:51.325631867 +0100
@@ -775,6 +775,8 @@
     battmon->low = FALSE;
     battmon->critical = FALSE;
     battmon->ebox = gtk_event_box_new();
+	/* Make the event box transparent */
+	gtk_event_box_set_visible_window(battmon->ebox, FALSE);
     setup_battmon(battmon, xfce_panel_plugin_get_orientation (plugin));
     battmon->timeoutid = 0;
     battmon->flag = FALSE;