diff --git a/eo/src/eoDualFitness.h b/eo/src/eoDualFitness.h
index a758be051..337520575 100644
--- a/eo/src/eoDualFitness.h
+++ b/eo/src/eoDualFitness.h
@@ -108,6 +108,11 @@ public:
         return _is_feasible;
     }
 
+    inline BaseType value() const
+    {
+        return _value;
+    }
+
     //! Copy operator from a std::pair
     eoDualFitness& operator=(const std::pair<BaseType,bool>& v)
     {