diff --git a/boot/grub2/Config.in b/boot/grub2/Config.in
index c465a4d9ea..7dc5cae218 100644
--- a/boot/grub2/Config.in
+++ b/boot/grub2/Config.in
@@ -154,8 +154,8 @@ endif # BR2_TARGET_GRUB2_I386_PC
 
 config BR2_TARGET_GRUB2_BUILTIN_MODULES
 	string "builtin modules"
-	default "boot linux ext2 fat part_msdos part_gpt normal biosdisk" if BR2_TARGET_GRUB2_I386_PC
-	default "boot linux ext2 fat part_msdos part_gpt normal efi_gop" \
+	default "boot linux ext2 fat squash4 part_msdos part_gpt normal biosdisk" if BR2_TARGET_GRUB2_I386_PC
+	default "boot linux ext2 fat squash4 part_msdos part_gpt normal efi_gop" \
 		if BR2_TARGET_GRUB2_I386_EFI || BR2_TARGET_GRUB2_X86_64_EFI
 
 config BR2_TARGET_GRUB2_BUILTIN_CONFIG