diff --git a/include/osgVolume/Property b/include/osgVolume/Property
index 642c04245..f0ddc89cf 100644
--- a/include/osgVolume/Property
+++ b/include/osgVolume/Property
@@ -350,7 +350,7 @@ class OSGVOLUME_EXPORT CollectPropertiesVisitor : public osgVolume::PropertyVisi
         
 };
 
-class PropertyAdjustmentCallback : public osgGA::GUIEventHandler, public osg::StateSet::Callback
+class OSGVOLUME_EXPORT PropertyAdjustmentCallback : public osgGA::GUIEventHandler, public osg::StateSet::Callback
 {
     public:
     
diff --git a/src/osgVolume/VolumeTile.cpp b/src/osgVolume/VolumeTile.cpp
index 363922a6d..cdb4153f3 100644
--- a/src/osgVolume/VolumeTile.cpp
+++ b/src/osgVolume/VolumeTile.cpp
@@ -37,7 +37,7 @@ VolumeTile::VolumeTile(const VolumeTile& volumeTile,const osg::CopyOp& copyop):
     _hasBeenTraversal(false),
     _layer(volumeTile._layer)
 {
-    if (volumeTile.getVolumeTechnique()) ;
+    if (volumeTile.getVolumeTechnique())
     {
         setVolumeTechnique(osg::clone(volumeTile.getVolumeTechnique()));
     }