diff --git a/install/1merge/grub2/default.grub b/install/1merge/grub2/default.grub
index f719541..f7c271b 100644
--- a/install/1merge/grub2/default.grub
+++ b/install/1merge/grub2/default.grub
@@ -26,3 +26,6 @@ GRUB_DISTRIBUTOR="#-os_install_linux_name-# Builder"
 #?os_install_linux_subname!=&&os_install_scratch==on#
 GRUB_DISTRIBUTOR="#-os_install_linux_name-# #-os_install_linux_subname-# Builder"
 #os_install_linux_subname#
+#?os_install_root_type==usb-hdd#
+GRUB_DISABLE_OS_PROBER=true
+#os_install_root_type#