diff --git a/src/Optimization.jl b/src/Optimization.jl
index bf2fce59..07b7b42d 100755
--- a/src/Optimization.jl
+++ b/src/Optimization.jl
@@ -1048,7 +1048,7 @@ function surrogate_optimize(obj::Function, ::DYCORS, lb::Number, ub::Number,
             x_best = x_new
             y_best = f_new
         end
-        add_point!(surr1, x_best, y_best)
+        add_point!(surr1, x_new, f_new)
     end
     index = argmin(surr1.y)
     return (surr1.x[index], surr1.y[index])