diff --git a/fedot/api/time.py b/fedot/api/time.py
index 7d6aa0bc1d..dbaa3a334e 100644
--- a/fedot/api/time.py
+++ b/fedot/api/time.py
@@ -24,6 +24,7 @@ def __init__(self, **time_params):
         self.tuning_spend_time = datetime.timedelta(minutes=0)
 
         self.assumption_fit_spend_time = datetime.timedelta(minutes=0)
+        self.assumption_fit_spend_time_single_fold = datetime.timedelta(minutes=0)
 
     def __define_timeouts_for_stages(self):
         """ Determine timeouts for tuning and composing """
@@ -73,7 +74,9 @@ def launch_assumption_fit(self, n_folds: int):
         """ Wrap assumption fit process with timer """
         starting_time_for_assumption_fit = datetime.datetime.now()
         yield
-        self.assumption_fit_spend_time = (datetime.datetime.now() - starting_time_for_assumption_fit) * n_folds
+        self.assumption_fit_spend_time_single_fold = \
+            (datetime.datetime.now() - starting_time_for_assumption_fit) * n_folds
+        self.assumption_fit_spend_time = self.assumption_fit_spend_time_single_fold * n_folds
 
     def determine_resources_for_tuning(self):
         """
@@ -81,7 +84,7 @@ def determine_resources_for_tuning(self):
         how much time and how many iterations are needed for tuning
 
         """
-        all_spend_time = self.composing_spend_time + self.assumption_fit_spend_time
+        all_spend_time = self.composing_spend_time + self.assumption_fit_spend_time_single_fold
 
         if self.time_for_automl is not None:
             all_timeout = float(self.time_for_automl)