diff --git a/code/modules/power/port_gen.dm b/code/modules/power/port_gen.dm
index 4828280e63..a858a5fd43 100644
--- a/code/modules/power/port_gen.dm
+++ b/code/modules/power/port_gen.dm
@@ -342,6 +342,7 @@
 	ui = nanomanager.try_update_ui(user, src, ui_key, ui, data, force_open)
 	if (!ui)
 		ui = new(user, src, ui_key, "pacman.tmpl", src.name, 500, 560)
+		ui.set_initial_data(data)
 		ui.open()
 		ui.set_auto_update(1)