diff -r fbbee98b7512 -r 0e831c572dbb indra/newview/lldrawable.cpp
--- a/indra/newview/lldrawable.cpp	Tue Feb 12 07:06:24 2013 -0500
+++ b/indra/newview/lldrawable.cpp	Fri Feb 15 09:20:55 2013 +0100
@@ -567,7 +567,7 @@
 	}
 	else if (!isRoot() && 
 		 (!mVObjp->getAngularVelocity().isExactlyZero() ||
-			dist_squared > 0.f))
+			dist_squared > 0.f || old_pos != target_pos || old_rot != target_rot))
 	{ //child prim moving relative to parent, tag as needing to be rendered atomically and rebuild
 		dist_squared = 1.f; //keep this object on the move list
 		if (!isState(LLDrawable::ANIMATED_CHILD))