Index: wflow-py/wflow/wflow_delwaq.py
===================================================================
diff -u -r6a2936c98578498849f0f9122f06d7eed3ab79d2 -rb66a9ad9f0d599183e83f13febff51e4f8704320
--- wflow-py/wflow/wflow_delwaq.py	(.../wflow_delwaq.py)	(revision 6a2936c98578498849f0f9122f06d7eed3ab79d2)
+++ wflow-py/wflow/wflow_delwaq.py	(.../wflow_delwaq.py)	(revision b66a9ad9f0d599183e83f13febff51e4f8704320)
@@ -718,12 +718,13 @@
                 add_node(i,j,UR)
                 elem_nodes[i_elem,UR] = i_node
                 i_node += 1
-                # add UL-UR link
-                net_links.append((elem_nodes[i_elem,UL], elem_nodes[i_elem,UR]))
             elif i_elem_up >= 0:
                 elem_nodes[i_elem,UR] = elem_nodes[i_elem_up, LR]
             elif i_elem_up_right >= 0:
                 elem_nodes[i_elem,UR] = elem_nodes[i_elem_up_right, LL]
+            if (i_elem_up < 0):
+                # add UL-UR link
+                net_links.append((elem_nodes[i_elem,UL], elem_nodes[i_elem,UR]))
 
             # LL node
             if (i_elem_left < 0):