diff --git a/.vscode/launch.json b/.vscode/launch.json
index 7c7eeec..9876084 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -36,6 +36,7 @@
             "request": "launch",
             "module": "unimore_bda_6",
             "justMyCode": false,
+            "pythonArgs": ["-OO"],
             "env": {
                 "NLTK_DATA": "./data/nltk",
                 "WORKING_SET_SIZE": "5000000",