diff --git a/src/osgPlugins/lib3ds/file.h b/src/osgPlugins/lib3ds/file.h
index ee0444b13..c2698e583 100644
--- a/src/osgPlugins/lib3ds/file.h
+++ b/src/osgPlugins/lib3ds/file.h
@@ -24,16 +24,16 @@
  */
 
 #ifndef INCLUDED_LIB3DS_BACKGROUND_H
-#include <background.h>
+#include "background.h"
 #endif
 #ifndef INCLUDED_LIB3DS_ATMOSPHERE_H
-#include <atmosphere.h>
+#include "atmosphere.h"
 #endif
 #ifndef INCLUDED_LIB3DS_SHADOW_H
-#include <shadow.h>
+#include "shadow.h"
 #endif
 #ifndef INCLUDED_LIB3DS_VIEWPORT_H
-#include <viewport.h>
+#include "viewport.h"
 #endif
 
 #ifdef __cplusplus
diff --git a/src/osgPlugins/lib3ds/shadow.cpp b/src/osgPlugins/lib3ds/shadow.cpp
index e32fc7a3e..dfc7b9096 100644
--- a/src/osgPlugins/lib3ds/shadow.cpp
+++ b/src/osgPlugins/lib3ds/shadow.cpp
@@ -20,10 +20,10 @@
  * $Id$
  */
 #define LIB3DS_EXPORT
-#include <shadow.h>
-#include <chunk.h>
-#include <readwrite.h>
-#include <math.h>
+#include "shadow.h"
+#include "chunk.h"
+#include "readwrite.h"
+#include "math.h"
 
 
 /*!