--- a/Core/EnumerationDictionary.h	Wed Dec 05 15:27:01 2018 +0100
+++ b/Core/EnumerationDictionary.h	Wed Dec 05 16:30:11 2018 +0100
@@ -37,6 +37,7 @@
 
 #include "Toolbox.h"
 #include <boost/lexical_cast.hpp>
+#include <boost/lexical_cast/try_lexical_convert.hpp>
 #include <string>
 #include <map>
 
@@ -84,12 +85,10 @@
 
       Enumeration Translate(const std::string& str) const
       {
-        try
+        int numericalValue; // at this stage, we don't know if str is an alias or a numerical value
+        if (boost::conversion::try_lexical_convert<int>(str, numericalValue))
         {
-          return static_cast<Enumeration>(boost::lexical_cast<int>(str));
-        }
-        catch (boost::bad_lexical_cast&)
-        {
+          return static_cast<Enumeration>(numericalValue);
         }
 
         typename StringToEnumeration::const_iterator