diff --git a/ChangeLog b/ChangeLog
index 323c2a0da..71a4d79ca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-08  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/osdep/windows/sleep.c: Add missing config.h.
+
 2013-10-08  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/kern/emu/misc.c (grub_get_rtc): Remove (it's a leftover).
diff --git a/grub-core/osdep/windows/sleep.c b/grub-core/osdep/windows/sleep.c
index 82fd0ed82..03b846bc7 100644
--- a/grub-core/osdep/windows/sleep.c
+++ b/grub-core/osdep/windows/sleep.c
@@ -16,6 +16,9 @@
  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config-util.h>
+#include <config.h>
+
 #include <windows.h>
 #include <winioctl.h>
 #include <grub/time.h>