diff --git a/host/src/routines/pixel/pixel.inc b/host/src/routines/pixel/pixel.inc
index 7534d23..8f550dc 100644
--- a/host/src/routines/pixel/pixel.inc
+++ b/host/src/routines/pixel/pixel.inc
@@ -1,8 +1,8 @@
 ;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
 ;; Note that this file should never collide with line.inc
         ;; public args
-       Y_pos = ARGVEC + 0
-       X_pos = ARGVEC + 1
+       X_pos = ARGVEC + 0
+       Y_pos = ARGVEC + 1
        ;; Private args
        btp_mem_pos = $E9  ; 16-bit value (uses EA), byte to paint memory position
        Bitmap = $4000