diff --git a/gio/ChangeLog b/gio/ChangeLog
index 9063ada41..c6e874993 100644
--- a/gio/ChangeLog
+++ b/gio/ChangeLog
@@ -1,3 +1,8 @@
+2008-05-16  Tor Lillqvist  <tml@novell.com>
+
+	* win32/gwin32directorymonitor.c: #define _WIN32_WINNT 0x0400 to
+	get declaration of ReadDirectoryChangesW() from Platform SDK headers.
+
 2008-05-13  Bastien Nocera  <hadess@hadess.net>
 
 	* gfile.c (has_valid_scheme): A URI scheme must start with a
diff --git a/gio/win32/gwin32directorymonitor.c b/gio/win32/gwin32directorymonitor.c
index 3db0f4adc..b3db62d82 100644
--- a/gio/win32/gwin32directorymonitor.c
+++ b/gio/win32/gwin32directorymonitor.c
@@ -21,6 +21,8 @@
  * 
  */
 
+#define _WIN32_WINNT 0x0400
+
 #include "config.h"
 #include "gwin32directorymonitor.h"
 #include "giomodule.h"