--- trunk/src/primitives/GhostTorsion.cpp	2010/06/28 20:07:12	1458
+++ trunk/src/primitives/GhostTorsion.cpp	2010/07/06 21:23:46	1459
@@ -56,7 +56,7 @@ namespace OpenMD {
     
     Vector3d r21 = pos1 - pos2;
     Vector3d r32 = pos2 - pos3;
-    Vector3d r43 = ghostAtom->getA().getColumn(2);
+    Vector3d r43 = ghostAtom->getA().transpose().getColumn(2);
     
     //  Calculate the cross products and distances
     Vector3d A = cross(r21, r32);