diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index 72f52a1342a0f6d818575d49902c30342d0a368e..1a60441ccc16daddb2676eb31eef7857c228b8e6 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -194,7 +194,7 @@
 
 #if defined(__ia64__)    || (defined(__x86_64__) && !defined(__ILP32__)) ||\
 	defined(__aarch64__) || defined(__PPC64__) ||\
-	defined(__s390x__) ||\
+	defined(__s390x__) || defined(__loongarch__)\
 	(defined(__riscv) && (defined(__LP64__) || defined(_LP64)))
 #define ACPI_MACHINE_WIDTH          64
 #define COMPILER_DEPENDENT_INT64    long