diff --git a/mlair/run_modules/pre_processing.py b/mlair/run_modules/pre_processing.py
index fc1ae4b7ad63a51b623aacb3d846d33ca3a482e0..3cc153a5c7fd7667ba301551cf1ad5a677c33395 100644
--- a/mlair/run_modules/pre_processing.py
+++ b/mlair/run_modules/pre_processing.py
@@ -424,7 +424,7 @@ class PreProcessing(RunEnvironment):
                            "model_class", "model_display_name", "model_path", "n_boots", "n_hidden", "n_layer",
                            "neighbors", "plot_list", "plot_path", "regularizer", "restore_best_model_weights",
                            "snapshot_load_path", "snapshot_path", "stations", "tmp_path", "train_model",
-                           "transformation", "use_multiprocessing", ]
+                           "transformation", "use_multiprocessing", "do_bias_free_evaluation"]
 
         data_handler = self.data_store.get("data_handler")
         model_class = self.data_store.get("model_class")