diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index cc6c0317d679..7198acf928d1 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,7 @@
 Fri Dec 21 17:35:21 2001  Jeffrey A Law  (law@redhat.com)
 
+	* src/locale-inst.cc: Include <bits/std_cstdlib.h>
+
 	* configure.target: Fix typo in hpux case.
 
 2001-12-21  Paolo Carlini  <pcarlini@unitus.it>
diff --git a/libstdc++-v3/src/locale-inst.cc b/libstdc++-v3/src/locale-inst.cc
index 0688db9104db..2cbd5065377e 100644
--- a/libstdc++-v3/src/locale-inst.cc
+++ b/libstdc++-v3/src/locale-inst.cc
@@ -31,6 +31,7 @@
 // ISO C++ 14882: 22.1  Locales
 //
 
+#include <bits/std_cstdlib.h>
 #include <bits/std_clocale.h>
 #include <bits/std_cstring.h>
 #include <bits/std_cassert.h>