diff --git a/avr/devices/c03/test/main.asm b/avr/devices/c03/test/main.asm
index 78ad60c..ee8d7cc 100644
--- a/avr/devices/c03/test/main.asm
+++ b/avr/devices/c03/test/main.asm
@@ -255,8 +255,8 @@ test:
 
   push yl
     push yh
-;      bigcall ClimateWin_new
-      rcall mkTestWindow
+      bigcall ClimateWin_new
+;      rcall mkTestWindow
       mov xl, yl
       mov xh, yh
     pop yh