diff --git a/trunk/paradiseo-moeo/src/do/make_continue_moeo.h b/trunk/paradiseo-moeo/src/do/make_continue_moeo.h
index 215ef6e17..84695d7ee 100755
--- a/trunk/paradiseo-moeo/src/do/make_continue_moeo.h
+++ b/trunk/paradiseo-moeo/src/do/make_continue_moeo.h
@@ -110,7 +110,7 @@ eoContinue<MOEOT> & do_make_continue_moeo(eoParser& _parser, eoState& _state, eo
   // the CtrlC interception (Linux only I'm afraid)
   eoCtrlCContinue<MOEOT> *ctrlCCont;
   eoValueParam<bool>& ctrlCParam = _parser.createParam(true, "CtrlC", "Terminate current generation upon Ctrl C",'C', "Stopping criterion");
-  if (_parser.isItThere(ctrlCParam))
+  if (ctrlCParam.value())
     {
       ctrlCCont = new eoCtrlCContinue<MOEOT>;
       // store
diff --git a/trunk/paradiseo-moeo/src/do/make_ea_moeo.h b/trunk/paradiseo-moeo/src/do/make_ea_moeo.h
index 2192e5d30..6f98101ab 100755
--- a/trunk/paradiseo-moeo/src/do/make_ea_moeo.h
+++ b/trunk/paradiseo-moeo/src/do/make_ea_moeo.h
@@ -99,7 +99,7 @@ moeoEA < MOEOT > & do_make_ea_moeo(eoParser & _parser, eoState & _state, eoEvalF
   std::string & indicatorParam = _parser.createParam(std::string("Epsilon"), "indicator",
                                  "Binary indicator for IndicatorBased: Epsilon, Hypervolume", 'i',
                                  "Evolution Engine").value();
-  double rho = _parser.createParam(1.1, "rho", "reference point for the hypervolume indicator", 'r',
+  double rho = _parser.createParam(1.1, "rho", "reference point for the hypervolume indicator", '\0',
                                    "Evolution Engine").value();
   double kappa = _parser.createParam(0.05, "kappa", "Scaling factor kappa for IndicatorBased", 'k',
                                      "Evolution Engine").value();
@@ -177,7 +177,7 @@ moeoEA < MOEOT > & do_make_ea_moeo(eoParser & _parser, eoState & _state, eoEvalF
 
   /* the comparator strategy */
   std::string & comparatorParam = _parser.createParam(std::string("FitnessThenDiversity"), "comparator",
-                                  "Comparator scheme: FitnessThenDiversity, DiversityThenFitness or Aggregative", 'C', "Evolution Engine").value();
+                                  "Comparator scheme: FitnessThenDiversity, DiversityThenFitness or Aggregative", 'c', "Evolution Engine").value();
   moeoComparator < MOEOT > * comparator;
   if (comparatorParam == std::string("FitnessThenDiversity"))
     {