diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f1b2a3c2..f6cd03971 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+* `ChildStd{in, out, err}` now implement `AsRawFd`/`AsRawHandle` on Unix/Windows
+systems, respectively.
 
 ## [0.2.2] - 2018-05-27
 ### Fixed
diff --git a/src/lib.rs b/src/lib.rs
index e6618a747..5a2a055d5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -643,3 +643,27 @@ mod sys {
         }
     }
 }
+
+#[cfg(windows)]
+mod sys {
+    use std::os::windows::io::{AsRawHandle, RawHandle};
+    use super::{ChildStdin, ChildStdout, ChildStderr};
+
+    impl AsRawHandle for ChildStdin {
+        fn as_raw_handle(&self) -> RawHandle {
+            self.inner.get_ref().as_raw_handle()
+        }
+    }
+
+    impl AsRawHandle for ChildStdout {
+        fn as_raw_handle(&self) -> RawHandle {
+            self.inner.get_ref().as_raw_handle()
+        }
+    }
+
+    impl AsRawHandle for ChildStderr {
+        fn as_raw_handle(&self) -> RawHandle {
+            self.inner.get_ref().as_raw_handle()
+        }
+    }
+}