diff --git a/lib/std/os/linux/tls.zig b/lib/std/os/linux/tls.zig
index 1c1558be2291ec7129d87d2ff63e602991a4396e..aed76fc0cb2ee83318e5c0e2d72b0016cf44eb91 100644
--- a/lib/std/os/linux/tls.zig
+++ b/lib/std/os/linux/tls.zig
@@ -296,8 +296,8 @@ pub fn setThreadPointer(addr: usize) void {
                 \\ ble 0xe0(%%sr2, %%r0)
                 \\  nop
                 :
-                : [addr] "={r26}" (addr),
-                : .{ .r29 = true });
+                : [addr] "{r26}" (addr),
+                : .{ .r31 = true });
         },
         .loongarch32, .loongarch64 => {
             asm volatile (