diff --git a/rustup-init.sh b/rustup-init.sh
index 717d260e18..fc19b2d6fa 100755
--- a/rustup-init.sh
+++ b/rustup-init.sh
@@ -370,6 +370,9 @@ get_architecture() {
         riscv64)
             _cputype=riscv64gc
             ;;
+        loongarch64)
+            _cputype=loongarch64
+            ;;
         *)
             err "unknown CPU type: $_cputype"
 
diff --git a/src/dist/triple.rs b/src/dist/triple.rs
index 07496bc705..2407b8d579 100644
--- a/src/dist/triple.rs
+++ b/src/dist/triple.rs
@@ -22,6 +22,7 @@ static LIST_ARCHS: &[&str] = &[
     "powerpc64le",
     "riscv64gc",
     "s390x",
+    "loongarch64",
 ];
 static LIST_OSES: &[&str] = &[
     "pc-windows",
diff --git a/src/test.rs b/src/test.rs
index ffba267e15..2ed797ccad 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -99,6 +99,8 @@ pub fn this_host_triple() -> String {
         "riscv64gc"
     } else if cfg!(target_arch = "aarch64") {
         "aarch64"
+    } else if cfg!(target_arch = "loongarch64") {
+        "loongarch64"
     } else {
         unimplemented!()
     };