Index: /issm/trunk-jpl/src/m/classes/model.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/model.m	(revision 25073)
+++ /issm/trunk-jpl/src/m/classes/model.m	(revision 25074)
@@ -289,6 +289,8 @@
 			if ~isnan(md.initialization.watercolumn),md.initialization.watercolumn=project2d(md,md.initialization.watercolumn,1);end;
 			%giaivins
-			if ~isnan(md.gia.mantle_viscosity), md.gia.mantle_viscosity=project2d(md,md.gia.mantle_viscosity,1); end
-			if ~isnan(md.gia.lithosphere_thickness), md.gia.lithosphere_thickness=project2d(md,md.gia.lithosphere_thickness,1); end
+			if isa(md.gia,'giaivins'),
+				if ~isnan(md.gia.mantle_viscosity), md.gia.mantle_viscosity=project2d(md,md.gia.mantle_viscosity,1); end
+				if ~isnan(md.gia.lithosphere_thickness), md.gia.lithosphere_thickness=project2d(md,md.gia.lithosphere_thickness,1); end
+			end
 
 			%elementstype