diff --git a/overlay.fnl b/overlay.fnl
index 35a0263..012bdd2 100644
--- a/overlay.fnl
+++ b/overlay.fnl
@@ -1,8 +1,7 @@
 ; Draw the overlay
 ; Relies on information about the player and the display
 (local player (require :state))
-(var screen-width 1280)
-(var screen-height 720)
+(var (screen-width screen-height) (love.window.getMode))
 
 ; This draws the oxygen ui
 ; Sequential blocks, up to 10; each block 10%