Index: /issm/trunk/src/m/solutions/control_core.m
===================================================================
--- /issm/trunk/src/m/solutions/control_core.m	(revision 4564)
+++ /issm/trunk/src/m/solutions/control_core.m	(revision 4565)
@@ -56,4 +56,5 @@
 		displaystring('\n%s',['      updating parameter using optimized search scalar:']);
 		scalar=search_scalar*optscal(n);
+		femmodel.elements=InputDuplicate(femmodel.elements,femmodel.nodes,femmodel.vertices,femmodel.loads,femmodel.materials,femmodel.parameters,ControlParameterEnum,control_type);
 		femmodel.elements=InputAXPY(femmodel.elements,femmodel.nodes,femmodel.vertices,femmodel.loads,femmodel.materials,femmodel.parameters,control_type,scalar,GradientEnum);