--- branches/development/src/nonbonded/EAM.cpp	2010/07/26 19:00:48	1479
+++ branches/development/src/nonbonded/EAM.cpp	2010/07/26 19:50:53	1480
@@ -200,8 +200,9 @@ namespace OpenMD {
 
     // set up the mixing method:
     ForceFieldOptions& fopts = forceField_->getForceFieldOptions();
-    string EAMMixMeth = toUpperCopy(fopts.getEAMMixingMethod());
-
+    std::string EAMMixMeth = fopts.getEAMMixingMethod();
+    toUpper(EAMMixMeth);
+   
     if (EAMMixMeth == "JOHNSON") 
       mixMeth_ = eamJohnson;    
     else if (EAMMixMeth == "DAW")