diff --git a/src/heretic/main.py b/src/heretic/main.py
index c232ada..36c1e49 100644
--- a/src/heretic/main.py
+++ b/src/heretic/main.py
@@ -802,7 +802,7 @@ def run():
                     if n_additional_trials == 0:
                         continue
 
-                    settings.n_trials += n_additional_trials
+                    settings.n_trials = len(study.trials) + n_additional_trials
                     study.set_user_attr("settings", settings.model_dump_json())
                     study.set_user_attr("finished", False)