diff --git a/WebHostLib/__init__.py b/WebHostLib/__init__.py
index 69314c334e..ce0280024c 100644
--- a/WebHostLib/__init__.py
+++ b/WebHostLib/__init__.py
@@ -38,6 +38,7 @@ app.config["JOB_THRESHOLD"] = 1
 # after what time in seconds should generation be aborted, freeing the queue slot. Can be set to None to disable.
 app.config["JOB_TIME"] = 600
 app.config['SESSION_PERMANENT'] = True
+app.config["CHECK_DATA_PACKAGE_CHECKSUM_ON_STARTUP"] = False
 
 # waitress uses one thread for I/O, these are for processing of views that then get sent
 # archipelago.gg uses gunicorn + nginx; ignoring this option
diff --git a/WebHostLib/autolauncher.py b/WebHostLib/autolauncher.py
index 7254dd46e1..6046aca773 100644
--- a/WebHostLib/autolauncher.py
+++ b/WebHostLib/autolauncher.py
@@ -73,7 +73,18 @@ def autohost(config: dict):
                     # Command gets deleted by ponyorm Cascade Delete, as Room is Required
                 if rooms or seeds or slots:
                     logging.info(f"{rooms} Rooms, {seeds} Seeds and {slots} Slots have been deleted.")
+                if config["CHECK_DATA_PACKAGE_CHECKSUM_ON_STARTUP"]:
+                    logging.info("Checking for Data Package Checksum integrity")
+                    from worlds.AutoWorld import data_package_checksum
+                    with db_session:
+                        for data_package in GameDataPackage.select():
+                            data = restricted_loads(data_package.data)
+                            del data["checksum"]
+                            if data_package.checksum != data_package_checksum(data):
+                                logging.warning(f"Deleting mismatching checksum datapackage {data_package.checksum}.")
+                                data_package.delete()
                 run_guardian()
+                logging.info("Starting Autohost.")
                 while 1:
                     time.sleep(0.1)
                     with db_session:
@@ -202,6 +213,6 @@ def run_guardian():
             guardian = threading.Thread(name="Guardian", target=guard)
 
 
-from .models import Room, Generation, STATE_QUEUED, STATE_STARTED, STATE_ERROR, db, Seed, Slot
+from .models import Room, Generation, STATE_QUEUED, STATE_STARTED, STATE_ERROR, db, Seed, Slot, GameDataPackage
 from .customserver import run_server_process, get_static_server_data
 from .generate import gen_game