diff --git a/lib/std/start.zig b/lib/std/start.zig
index 081e9d44f05d832041169f9fff1f00368b719bb5..ff524d5d64dbd6519bc4abc1f01c9eaeea92cf5b 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -300,6 +300,12 @@ fn _start() callconv(.Naked) noreturn {
             \\ and sp, #-16
             \\ b %[posixCallMainAndExit]
             ,
+            .loongarch64 =>
+            \\ move $fp, $zero
+            \\ move $a0, $sp
+            \\ bstrins.d $sp, $zero, 3, 0
+            \\ b %[posixCallMainAndExit]
+            ,
             .riscv64 =>
             \\ li s0, 0
             \\ li ra, 0