diff --git a/gold/ChangeLog b/gold/ChangeLog
index e68190b0bb..c663ca7b19 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,7 @@
+2012-04-06  Ian Lance Taylor  <iant@google.com>
+
+	* timer.cc: #include <unistd.h>.
+
 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 
 	* configure.in (AC_CHECK_HEADERS): Add locale.h.
diff --git a/gold/timer.cc b/gold/timer.cc
index 1423663281..f3a1c911e3 100644
--- a/gold/timer.cc
+++ b/gold/timer.cc
@@ -22,6 +22,8 @@
 
 #include "gold.h"
 
+#include <unistd.h>
+
 #ifdef HAVE_TIMES
 #include <sys/times.h>
 #endif