diff --git a/src/survivor_selection/survivor_selection_methods.py b/src/survivor_selection/survivor_selection_methods.py
index c6c66ac..f47a107 100644
--- a/src/survivor_selection/survivor_selection_methods.py
+++ b/src/survivor_selection/survivor_selection_methods.py
@@ -5,4 +5,4 @@ class Survivor_Selection:
 
     def fill_in_best(ga, next_population):
         """Fills in the next population with the best chromosomes from the last population until the population size is met."""
-        return Population(ga.population.get_all_chromosomes()[:ga.population.size()-next_population.size()] + next_population.get_all_chromosomes())
+        return ga.make_population(ga.population.get_all_chromosomes()[:ga.population.size()-next_population.size()] + next_population.get_all_chromosomes())