Index: /issm/trunk-jpl/src/m/classes/flowequation.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/flowequation.m	(revision 17242)
+++ /issm/trunk-jpl/src/m/classes/flowequation.m	(revision 17243)
@@ -95,6 +95,6 @@
 					md = checkfield(md,'fieldname','flowequation.element_equation','size',[md.mesh.numberofelements 1],'values',[1:2]);
 				elseif strcmp(meshtype(md.mesh),'2Dvertical')
-					md = checkfield(md,'fieldname','flowequation.vertex_equation','size',[md.mesh.numberofvertices 1],'values',[4]);
-					md = checkfield(md,'fieldname','flowequation.element_equation','size',[md.mesh.numberofelements 1],'values',[4]);
+					md = checkfield(md,'fieldname','flowequation.vertex_equation','size',[md.mesh.numberofvertices 1],'values',[3:4]);
+					md = checkfield(md,'fieldname','flowequation.element_equation','size',[md.mesh.numberofelements 1],'values',[3:4]);
 				elseif strcmp(meshtype(md.mesh),'3D'),
 					md = checkfield(md,'fieldname','flowequation.vertex_equation','size',[md.mesh.numberofvertices 1],'values',[0:8]);