diff --git a/configure.ac b/configure.ac
index f977c78..1a01695 100644
--- a/configure.ac
+++ b/configure.ac
@@ -46,6 +46,7 @@ SET_ARCH(MIPS, mips*)
 SET_ARCH(AARCH64, aarch64*)
 SET_ARCH(RISCV64, riscv64*)
 SET_ARCH(RISCV32, riscv32*)
+SET_ARCH(LOONGARCH64, loongarch64*)
 
 AC_CHECK_SIZEOF(pid_t)
 AC_CHECK_SIZEOF(uid_t)
diff --git a/src/architecture.h b/src/architecture.h
index f33cd00..5609313 100644
--- a/src/architecture.h
+++ b/src/architecture.h
@@ -59,7 +59,7 @@ enum {
         ARCHITECTURE_CRIS,
         ARCHITECTURE_RISCV64,
         ARCHITECTURE_RISCV32,
-	ARCHITECTURE_LOONGARCH,
+        ARCHITECTURE_LOONGARCH64,
         _ARCHITECTURE_MAX,
         _ARCHITECTURE_INVALID = -1
 };
@@ -155,9 +155,9 @@ int uname_architecture(void);
 #elif defined(__riscv) && __riscv_xlen == 32
 #  define native_architecture() ARCHITECTURE_RISCV32
 #  define define LIB_ARCH_TUPLE "riscv32-linux-gnu"
-#elif defined(__loongarch__) && __loongarch_grlen == 64
-#  define native_architecture() ARCHITECTURE_LOONGARCH
-#  define define LIB_ARCH_TUPLE "loongarch64-linux-gnu"
+#elif defined(__loongarch64)
+#    define native_architecture() ARCHITECTURE_LOONGARCH64
+#    define LIB_ARCH_TUPLE "loongarch64-linux-gnu"
 #elif defined(__aarch64__)
 #  if __BYTE_ORDER == __BIG_ENDIAN
 #    define native_architecture() ARCHITECTURE_ARM64_BE