Index: /issm/trunk-jpl/src/m/classes/model/model.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/model/model.m	(revision 15774)
+++ /issm/trunk-jpl/src/m/classes/model/model.m	(revision 15775)
@@ -1043,7 +1043,7 @@
 			end
 			%2013 August 9
-			if isfield(structmd,'diagnostic') & isa(structmd.diagnostic,'diagnostic'),
+			if isfield(structmd,'diagnostic') & (isa(structmd.diagnostic,'diagnostic') || isa(structmd.diagnostic,'stressbalance')),
 				disp('Recovering old diagnostic class');
-				md.stressbalance=masstransport(structmd.diagnostic);
+				md.stressbalance=stressbalance(structmd.diagnostic);
 			end
 		end% }}}