diff --git a/system.py b/system.py
index 98fd077..d89d312 100644
--- a/system.py
+++ b/system.py
@@ -230,7 +230,7 @@ def addPlaneAlignment(self,d,lockAngle,yaw,pitch,roll,pln1,pln2,group=0):
             count = 0
         if d:
             h.append(self.addPointPlaneDistance(
-                d, pln2.origin.entity, pln1.entity.entity, group=group))
+                d, pln2.origin.entity, pln1.entity, group=group))
         else:
             h.append(self.addPointInPlane(
                 pln2.origin.entity, pln1.entity,group=group))