diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index f81294571..68ca50c94 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,8 @@
+2004-02-19  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	* include/Gl/glu.h: Include <stddef.h>.
+	Thanks to Greg Couch <gregcouch@users.sourceforge.net>
+
 2004-02-13  Earnie Boyd  <earnie@users.sourceforge.net>
 
 	* include/ddk/winddk.h (DIRECTORY_QUERY): Add define.
diff --git a/winsup/w32api/include/GL/glu.h b/winsup/w32api/include/GL/glu.h
index 7c6ee748b..7cd81946d 100644
--- a/winsup/w32api/include/GL/glu.h
+++ b/winsup/w32api/include/GL/glu.h
@@ -34,6 +34,7 @@
 #pragma GCC system_header
 #endif
 
+#include <stddef.h> /* for wchar_t */
 #include <GL/gl.h>
 
 #ifdef __cplusplus