diff --git a/lnbits/settings.py b/lnbits/settings.py
index 53c1de1e..9194b17c 100644
--- a/lnbits/settings.py
+++ b/lnbits/settings.py
@@ -49,7 +49,7 @@ class Settings(BaseSettings):
         default=["classic", "flamingo", "mint", "salvador", "monochrome", "autumn"]
     )
     lnbits_custom_logo: str = Field(default=None)
-    lnbits_ad_space: List[str]
+    lnbits_ad_space: List[str] = Field(default=[])
 
     # ops
     lnbits_data_folder: str = Field(default="./data")
diff --git a/tests/conftest.py b/tests/conftest.py
index 46282f0c..37c691f3 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -28,7 +28,7 @@ def app(event_loop):
     # use redefined version of the event loop for scope="session"
     # loop = asyncio.get_event_loop()
     loop = event_loop
-    loop.run_until_complete(migrate_databases())
+    #loop.run_until_complete(migrate_databases())
     yield app
     # # get the current event loop and gracefully stop any running tasks
     # loop = event_loop
diff --git a/tools/conv.py b/tools/conv.py
index 5084660f..9d8886a0 100644
--- a/tools/conv.py
+++ b/tools/conv.py
@@ -4,34 +4,28 @@ import sqlite3
 from typing import List
 
 import psycopg2
-from environs import Env  # type: ignore
-
-env = Env()
-env.read_env()
+from lnbits.settings import settings
 
 # Python script to migrate an LNbits SQLite DB to Postgres
 # All credits to @Fritz446 for the awesome work
 
-
 # pip install psycopg2 OR psycopg2-binary
 
-
 # Change these values as needed
 
+sqfolder = settings.lnbits_data_folder
+db_url = settings.lnbits_database_url
 
-sqfolder = env.str("LNBITS_DATA_FOLDER", default=None)
-
-LNBITS_DATABASE_URL = env.str("LNBITS_DATABASE_URL", default=None)
-if LNBITS_DATABASE_URL is None:
+if db_url is None:
     print("missing LNBITS_DATABASE_URL")
     sys.exit(1)
 else:
     # parse postgres://lnbits:postgres@localhost:5432/lnbits
-    pgdb = LNBITS_DATABASE_URL.split("/")[-1]
-    pguser = LNBITS_DATABASE_URL.split("@")[0].split(":")[-2][2:]
-    pgpswd = LNBITS_DATABASE_URL.split("@")[0].split(":")[-1]
-    pghost = LNBITS_DATABASE_URL.split("@")[1].split(":")[0]
-    pgport = LNBITS_DATABASE_URL.split("@")[1].split(":")[1].split("/")[0]
+    pgdb = db_url.split("/")[-1]
+    pguser = db_url.split("@")[0].split(":")[-2][2:]
+    pgpswd = db_url.split("@")[0].split(":")[-1]
+    pghost = db_url.split("@")[1].split(":")[0]
+    pgport = db_url.split("@")[1].split(":")[1].split("/")[0]
     pgschema = ""