diff --git a/src/modules/butterflies/butterflies_main.c b/src/modules/butterflies/butterflies_main.c
index 2676f665eaa032338f51a47e3ee40d3f1db72129..5573e4b7fa4134b16f17bd8b805fd441996d8e28 100644
--- a/src/modules/butterflies/butterflies_main.c
+++ b/src/modules/butterflies/butterflies_main.c
@@ -164,6 +164,8 @@ void load_butterflies_species_params(struct cats_configuration *conf, struct cat
         data->generations_max = (int32_t) ceill(data->butterfly_generations.max_rate);
         data->generations_min = (int32_t) ceill(data->butterfly_generations.min_rate);
         param->plant_dispersal_max_radius = data->animal_dispersal_max_radius;
+        param->max_adult_cc_fraction = 1.0;
+
 
         if (!data->actions_added) {
                 bf_register_actions(conf);