diff --git a/code/game/machinery/alarm.dm b/code/game/machinery/alarm.dm
index 0f2af7485f..32847060d2 100644
--- a/code/game/machinery/alarm.dm
+++ b/code/game/machinery/alarm.dm
@@ -488,7 +488,7 @@
 
 	ui = nanomanager.try_update_ui(user, src, ui_key, ui, data, force_open)
 	if(!ui)
-		ui = new(user, src, ui_key, "air_alarm.tmpl", src.name, 625, 625, master_ui = master_ui, custom_state = custom_state)
+		ui = new(user, src, ui_key, "air_alarm.tmpl", src.name, 325, 625, master_ui = master_ui, custom_state = custom_state)
 		ui.set_initial_data(data)
 		ui.open()
 		ui.set_auto_update(1)