diff --git a/board/loongarch64-efi/grub.cfg b/board/loongarch64-efi/grub.cfg
index 2006f6d60d..c84a7f646b 100644
--- a/board/loongarch64-efi/grub.cfg
+++ b/board/loongarch64-efi/grub.cfg
@@ -1,4 +1,4 @@
-/set default="0"
+set default="0"
 set timeout="5"
 
 menuentry "Buildroot" {