diff --git a/kernel/src/syscall/misc.rs b/kernel/src/syscall/misc.rs
index df0dec0..eb749fa 100644
--- a/kernel/src/syscall/misc.rs
+++ b/kernel/src/syscall/misc.rs
@@ -22,7 +22,7 @@ impl Syscall<'_> {
         info!("uname: buf: {:?}", buf);
 
         let offset = 65;
-        let strings = ["rCore", "orz", "0.1.0", "1", "machine", "domain"];
+        let strings = ["rCore", "orz", "0.1.0", "1", option_env!("ARCH").unwrap_or("unknown"), "domain"];
         let buf = unsafe { self.vm().check_write_array(buf, strings.len() * offset)? };
 
         for i in 0..strings.len() {