Index: /issm/trunk-jpl/test/NightlyRun/test438.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test438.py	(revision 25503)
+++ /issm/trunk-jpl/test/NightlyRun/test438.py	(revision 25504)
@@ -14,5 +14,5 @@
 md = parameterize(md, '../Par/SquareSheetShelf.py')
 md = setflowequation(md, 'SSA', 'all')
-md.friction = frictionwaterlayer(md)
+md.friction = frictionwaterlayer(md.friction)
 md.friction.water_layer = np.zeros((md.mesh.numberofvertices + 1, 2))
 md.friction.water_layer[:, 1] = 1.