diff --git a/include/osgManipulator/TrackballDragger b/include/osgManipulator/TrackballDragger
index a8613d236..8dbd03f61 100644
--- a/include/osgManipulator/TrackballDragger
+++ b/include/osgManipulator/TrackballDragger
@@ -18,6 +18,7 @@
 #include <osgManipulator/RotateCylinderDragger>
 #include <osgManipulator/RotateSphereDragger>
 #include <osg/ShapeDrawable>
+#include <osg/Geode>
 #include <osg/Geometry>
 #include <osg/LineWidth>