diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index a494b13c9e90..31be0d00976e 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -365,6 +365,7 @@ void __init platform_init(void)
 
 #ifdef CONFIG_ACPI
 	acpi_table_upgrade();
+	acpi_gbl_use_global_lock = false;
 	acpi_gbl_use_default_register_widths = false;
 	acpi_boot_table_init();
 #endif