1 files changed, 1 insertions, 0 deletions

diff --git a/src/tests/maxima/fitnessfunctioneq.h b/src/tests/maxima/fitnessfunctioneq.h
index 7139532..d1a64c5 100644
--- a/src/tests/maxima/fitnessfunctioneq.h
+++ b/src/tests/maxima/fitnessfunctioneq.h
@@ -10,6 +10,7 @@ public:
         virtual ~FitnessFunctionEq();
 
         virtual double operator()( Genetic::Phenotype *pTest );
+        virtual Genetic::FitnessFunction *clone() const;
 };
 
 #endif