Index: /issm/trunk/src/m/classes/public/ismodelselfconsistent.m
===================================================================
--- /issm/trunk/src/m/classes/public/ismodelselfconsistent.m	(revision 2439)
+++ /issm/trunk/src/m/classes/public/ismodelselfconsistent.m	(revision 2440)
@@ -284,4 +284,5 @@
 	fields={'temperature','accumulation','melting'};
 	checksize(md,fields,[md.numberofgrids 1]);
+	checknan(md,fields);
 
 end