diff --git a/binarycpython/utils/functions.py b/binarycpython/utils/functions.py
index 8d7e271611dad01d4e8aab75e273017763618702..b46b12ec177baa43d585030a8e1fbd2a08752811 100644
--- a/binarycpython/utils/functions.py
+++ b/binarycpython/utils/functions.py
@@ -1776,7 +1776,7 @@ def merge_dicts(dict_1: dict, dict_2: dict) -> dict:
     """
 
     # Set up new dict
-    new_dict = collectsions.OrderedDict()  # TODO: check if this still necessary
+    new_dict = collections.OrderedDict()  # TODO: check if this still necessary
 
     #
     keys_1 = dict_1.keys()
diff --git a/binarycpython/utils/spacing_functions.py b/binarycpython/utils/spacing_functions.py
index bbc32abbe7b03d5a29b5729938e2c082bbaf4562..bfa8dc61ff3e053b2c457db77f4f7733ab4755f7 100644
--- a/binarycpython/utils/spacing_functions.py
+++ b/binarycpython/utils/spacing_functions.py
@@ -197,7 +197,8 @@ def const_dt(self,
     lifetime_population.set(
         do_dry_run = False,
         num_cores = self.grid_options['num_cores'],
-        max_stellar_type_1=10
+        max_stellar_type_1=10,
+        save_ensemble_chunks=False,
         )
 
     # make a grid in M1