diff --git a/simgear/scene/material/TextureBuilder.cxx b/simgear/scene/material/TextureBuilder.cxx
index 43343169..38478d82 100644
--- a/simgear/scene/material/TextureBuilder.cxx
+++ b/simgear/scene/material/TextureBuilder.cxx
@@ -23,6 +23,7 @@
 
 #include "Pass.hxx"
 
+#include <osg/Version>
 #include <osg/PointSprite>
 #include <osg/TexEnv>
 #include <osg/TexEnvCombine>
diff --git a/simgear/scene/model/BVHPageNodeOSG.cxx b/simgear/scene/model/BVHPageNodeOSG.cxx
index a2f15bcb..326585ab 100644
--- a/simgear/scene/model/BVHPageNodeOSG.cxx
+++ b/simgear/scene/model/BVHPageNodeOSG.cxx
@@ -24,6 +24,7 @@
 #include "../../bvh/BVHPageRequest.hxx"
 #include "../../bvh/BVHPager.hxx"
 
+#include <osg/Version>
 #include <osg/io_utils>
 #include <osg/Camera>
 #include <osg/Drawable>
diff --git a/simgear/scene/model/SGReaderWriterXML.cxx b/simgear/scene/model/SGReaderWriterXML.cxx
index 64ad2754..71f63310 100644
--- a/simgear/scene/model/SGReaderWriterXML.cxx
+++ b/simgear/scene/model/SGReaderWriterXML.cxx
@@ -27,6 +27,7 @@
 
 #include <boost/bind.hpp>
 
+#include <osg/Version>
 #include <osg/Geode>
 #include <osg/MatrixTransform>
 #include <osgDB/ReadFile>
diff --git a/simgear/scene/model/modellib.cxx b/simgear/scene/model/modellib.cxx
index d11e0d21..92b19196 100644
--- a/simgear/scene/model/modellib.cxx
+++ b/simgear/scene/model/modellib.cxx
@@ -21,6 +21,7 @@
 
 #include <boost/algorithm/string.hpp>
 
+#include <osg/Version>
 #include <osg/PagedLOD>
 #include <osg/ProxyNode>
 #include <osgDB/ReadFile>
diff --git a/simgear/scene/tgdb/ReaderWriterSPT.cxx b/simgear/scene/tgdb/ReaderWriterSPT.cxx
index 66fad24b..638ce476 100644
--- a/simgear/scene/tgdb/ReaderWriterSPT.cxx
+++ b/simgear/scene/tgdb/ReaderWriterSPT.cxx
@@ -25,6 +25,7 @@
 
 #include <cassert>
 
+#include <osg/Version>
 #include <osg/CullFace>
 #include <osg/PagedLOD>
 #include <osg/MatrixTransform>