Index: /issm/trunk/src/m/solutions/ice/ModelProcessorDiagnosticStokes.m
===================================================================
--- /issm/trunk/src/m/solutions/ice/ModelProcessorDiagnosticStokes.m	(revision 1662)
+++ /issm/trunk/src/m/solutions/ice/ModelProcessorDiagnosticStokes.m	(revision 1663)
@@ -107,5 +107,9 @@
 
 %icefront
-segmentonneumann_diag_stokes=md.segmentonneumann_diag_stokes;
+if isnan(md.segmentonneumann_diag_stokes),
+	segmentonneumann_diag_stokes=[];
+else
+	segmentonneumann_diag_stokes=md.segmentonneumann_diag_stokes;
+end
 length_segmentonneumann_diag_stokes= size(segmentonneumann_diag_stokes,1);
 loads=struct('load',cell(length_segmentonneumann_diag_stokes,1));