--- 
+++ 
@@ -29,7 +29,7 @@
     /** {@inheritDoc} */
     public double solve(final UnivariateRealFunction f, double min, double max, double initial)
         throws MaxIterationsExceededException, FunctionEvaluationException {
-        return solve(min, max);
+        return solve(f, min, max);
     }
 
     /** {@inheritDoc} */