diff --git a/src/osgPlugins/dxf/dxfEntity.h b/src/osgPlugins/dxf/dxfEntity.h
index 8be1e3253..1c92968bd 100644
--- a/src/osgPlugins/dxf/dxfEntity.h
+++ b/src/osgPlugins/dxf/dxfEntity.h
@@ -25,9 +25,10 @@
 #include <osg/Node>
 #include <osg/Matrix>
 
+#include "dxfBlock.h"
+
 
 class scene;
-class dxfBlock;
 class codeValue;
 class dxfFile;