diff --git a/src/osgSim/Sector.cpp b/src/osgSim/Sector.cpp
index ef3e9733b..580619158 100644
--- a/src/osgSim/Sector.cpp
+++ b/src/osgSim/Sector.cpp
@@ -234,9 +234,9 @@ void DirectionalSector::computeMatrix()
   double pitch   = atan2(_direction[2], sqrt(_direction[0]*_direction[0] + _direction[1]*_direction[1]));
   double roll    = _rollAngle;
 
-  _local_to_LP.setRotate(osg::Quat(heading, 0.0, 0.0, -1.0));
-  _local_to_LP.preMultRotate(osg::Quat(pitch, 1.0, 0.0, 0.0));
-  _local_to_LP.preMultRotate(osg::Quat(roll, 0.0, 1.0, 0.0));
+  _local_to_LP.setRotate(osg::Quat(heading,osg::Vec3d(0.0, 0.0, -1.0)));
+  _local_to_LP.preMultRotate(osg::Quat(pitch, osg::Vec3d(1.0, 0.0, 0.0)));
+  _local_to_LP.preMultRotate(osg::Quat(roll, osg::Vec3d(0.0, 1.0, 0.0)));
 }
 
 void DirectionalSector::setDirection(const osg::Vec3& direction)