diff --git a/downloads-generation/models_class1_pan_unselected/generate_hyperparameters.py b/downloads-generation/models_class1_pan_unselected/generate_hyperparameters.py
index 08873dfc7f0d710f2293b0d04be9379c64383575..ecd473866b131d634abc21d3459a3bb05fb2243b 100644
--- a/downloads-generation/models_class1_pan_unselected/generate_hyperparameters.py
+++ b/downloads-generation/models_class1_pan_unselected/generate_hyperparameters.py
@@ -42,6 +42,7 @@ base_hyperparameters = {
     'random_negative_match_distribution': True,
     'random_negative_rate': 1.0,
     'random_negative_method': 'by_allele_equalize_nonbinders',
+    'random_negative_binder_threshold': 500.0,
     'train_data': {
         'pretrain': True,
         'pretrain_peptides_per_epoch': 64,