diff --git a/src/execution.py b/src/execution.py
index 0d9963d..57927c4 100644
--- a/src/execution.py
+++ b/src/execution.py
@@ -55,10 +55,9 @@ def script_execution(filenames, df_list, iterations=2):
         ["memetic", "random"],
         ["memetic", "best"],
     ]
-    populated_list = []
     for dataset in filenames:
         print(f"Running on dataset {dataset}")
-        for df, params in zip(df_list, parameters):
+        for index, params in zip(range(4), parameters):
             print(f"Running {params} algorithm")
             output_list = []
             for _ in range(iterations):
@@ -66,8 +65,8 @@ def script_execution(filenames, df_list, iterations=2):
                     [executable, script, dataset, *params], capture_output=True
                 ).stdout.splitlines()
                 output_list.append(output_cmd)
-            populated_list.append(populate_dataframe(df, output_list, dataset))
-    return populated_list
+            df_list[index] = populate_dataframe(df_list[index], output_list, dataset)
+    return df_list
 
 
 def export_results(df_list):