diff --git a/bootloader/sansa_as3525.c b/bootloader/sansa_as3525.c
index c384007898..7b0a8b8d88 100644
--- a/bootloader/sansa_as3525.c
+++ b/bootloader/sansa_as3525.c
@@ -63,8 +63,10 @@ static void usb_mode(void)
                 (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
     lcd_update();
 
+    usb_enable(true);
     while(usb_detect() == USB_INSERTED)
         sleep(HZ);
+    usb_enable(false);
 
     reset_screen();
     lcd_update();