diff --git a/programs/demos/tube/trunk/tube.asm b/programs/demos/tube/trunk/tube.asm
index cd512fddec..f5e07f976d 100644
--- a/programs/demos/tube/trunk/tube.asm
+++ b/programs/demos/tube/trunk/tube.asm
@@ -195,7 +195,7 @@ draw_window:
      xor  eax,eax
      mov  ebx,100*65536+329
      mov  ecx,100*65536+186
-     mov  edx,0x34000000
+     mov  edx,0x74000000
      mov  edi,title
      mcall
      mov  eax,12