diff --git a/src/os/windows/mod.rs b/src/os/windows/mod.rs
index 5f0bc0e4..cd8deb60 100644
--- a/src/os/windows/mod.rs
+++ b/src/os/windows/mod.rs
@@ -2,5 +2,8 @@
 
 cfg_std! {
     pub mod io;
+}
+
+cfg_default! {
     pub mod fs;
 }