diff --git a/gmodule/ChangeLog b/gmodule/ChangeLog
index 34c162f70..6958f301d 100644
--- a/gmodule/ChangeLog
+++ b/gmodule/ChangeLog
@@ -1,3 +1,7 @@
+2007-11-08  Matthias Clasen <mclasen@redhat.com>
+
+	* gmodule.c: Include glibconfig.h before checking G_OS_WIN32.
+
 2007-11-07  Matthias Clasen <mclasen@redhat.com>
 
 	* *.c: Make header include order consistent (#71704,
diff --git a/gmodule/gmodule.c b/gmodule/gmodule.c
index 063bd3197..06167da01 100644
--- a/gmodule/gmodule.c
+++ b/gmodule/gmodule.c
@@ -29,6 +29,7 @@
  */
 
 #include "config.h"
+#include "glibconfig.h"
 
 #include <errno.h>
 #include <string.h>
@@ -38,7 +39,7 @@
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
-#if defined (G_OS_WIN32)
+#ifdef G_OS_WIN32
 #include <io.h>		/* For open() and close() prototypes. */
 #endif