diff --git a/programs/demos/ScreenRuler/ScreenRuler b/programs/demos/ScreenRuler/ScreenRuler
deleted file mode 100644
index aba629ea0..000000000
Binary files a/programs/demos/ScreenRuler/ScreenRuler and /dev/null differ
diff --git a/programs/demos/ScreenRuler/ScreenRuler.asm b/programs/demos/ScreenRuler/ScreenRuler.asm
index 18be240b0..01d1a866f 100644
--- a/programs/demos/ScreenRuler/ScreenRuler.asm
+++ b/programs/demos/ScreenRuler/ScreenRuler.asm
@@ -72,11 +72,7 @@ draw_window:
         mov     edi, labelt             ; header
         xor     eax, eax                ; function 0 : define and draw window
         mcall
-
-        mov     eax, 71
-        mov     ebx, 1
-        mov     ecx, labelt
-
+        mcall   71, 1, labelt
         mcall   12,2
         ret
 ;------------------------- Magnify draw