diff --git a/deepcave/plugins/objective/parallel_coordinates.py b/deepcave/plugins/objective/parallel_coordinates.py
index 7afeaeab..b91127b1 100644
--- a/deepcave/plugins/objective/parallel_coordinates.py
+++ b/deepcave/plugins/objective/parallel_coordinates.py
@@ -189,7 +189,9 @@ def load_dependency_inputs(self, run, _, inputs):
     def process(run, inputs):
         budget = run.get_budget(inputs["budget_id"])
         objective = run.get_objective(inputs["objective_id"])
-        df = serialize(run.get_encoded_data(objective, budget))
+        df = run.get_encoded_data(objective, budget)
+        df = df.groupby(df.columns.drop(objective.name).to_list(), as_index=False).mean()
+        df = serialize(df)
         result = {"df": df}
 
         if inputs["show_important_only"]: