diff --git a/include/osg/PointSprite b/include/osg/PointSprite
index e99977f12..4cc63ca1d 100644
--- a/include/osg/PointSprite
+++ b/include/osg/PointSprite
@@ -20,6 +20,9 @@
 #ifndef GL_ARB_point_sprite
 #define GL_POINT_SPRITE_ARB               0x8861
 #define GL_COORD_REPLACE_ARB              0x8862
+#endif
+
+#ifndef GL_POINT_SPRITE_COORD_ORIGIN
 #define GL_POINT_SPRITE_COORD_ORIGIN      0x8CA0
 #define GL_LOWER_LEFT                     0x8CA1
 #define GL_UPPER_LEFT                     0x8CA2