diff --git a/library/std/src/sys/pal/mikros/stdio.rs b/library/std/src/sys/pal/mikros/stdio.rs
index 94f32d106b1..3d941fb5025 100644
--- a/library/std/src/sys/pal/mikros/stdio.rs
+++ b/library/std/src/sys/pal/mikros/stdio.rs
@@ -46,7 +46,7 @@ fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
         //}
         //Ok(buf.len())
         let Some(fd) = *STDOUT_FD.get().unwrap() else {
-            return Ok(0);
+            return Ok(buf.len());
         };
         let file = File { fs_pid: fd.0, fd: fd.1 };
         let res = file.write(buf);
@@ -74,7 +74,7 @@ fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
         //}
         //Ok(buf.len())
         let Some(fd) = *STDERR_FD.get().unwrap() else {
-            return Ok(0);
+            return Ok(buf.len());
         };
         let file = File { fs_pid: fd.0, fd: fd.1 };
         let res = file.write(buf);