diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 178ae253a8d..2222b572d03 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/thread: Include <cerrno> for EINTR.
+
 2015-11-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
 
 	Implement D0013R2, logical type traits.
diff --git a/libstdc++-v3/include/std/thread b/libstdc++-v3/include/std/thread
index 5940e6e521f..8c01feb7927 100644
--- a/libstdc++-v3/include/std/thread
+++ b/libstdc++-v3/include/std/thread
@@ -38,6 +38,7 @@
 #include <chrono>
 #include <functional>
 #include <memory>
+#include <cerrno>
 #include <bits/functexcept.h>
 #include <bits/functional_hash.h>
 #include <bits/gthr.h>