diff --git a/library/std/src/os/mikros/errno.rs b/library/std/src/os/mikros/errno.rs
index 727aa41edf7..9b0aa8c006d 100644
--- a/library/std/src/os/mikros/errno.rs
+++ b/library/std/src/os/mikros/errno.rs
@@ -625,7 +625,7 @@ fn from(kind: crate::io::ErrorKind) -> Self {
             ErrorKind::FilesystemLoop => ELOOP,
             ErrorKind::FilesystemQuotaExceeded => EDQUOT,
             ErrorKind::HostUnreachable => EHOSTUNREACH,
-            //ErrorKind::InProgress => EINPROGRESS,
+            ErrorKind::InProgress => EINPROGRESS,
             ErrorKind::Interrupted => EINTR,
             ErrorKind::InvalidData => EINVALDAT,
             ErrorKind::InvalidFilename => ENAMETOOLONG,
diff --git a/library/std/src/sys/thread_local/mod.rs b/library/std/src/sys/thread_local/mod.rs
index ce32904d579..b9e7787c912 100644
--- a/library/std/src/sys/thread_local/mod.rs
+++ b/library/std/src/sys/thread_local/mod.rs
@@ -90,6 +90,7 @@ pub(crate) mod guard {
             target_family = "wasm",
             target_os = "uefi",
             target_os = "zkvm",
+            target_os = "mikros",
         ))] {
             pub(crate) fn enable() {
                 // FIXME: Right now there is no concept of "thread exit" on