diff --git a/mipdb/commands.py b/mipdb/commands.py
index 77c9088..3e00bfb 100644
--- a/mipdb/commands.py
+++ b/mipdb/commands.py
@@ -4,9 +4,8 @@
 import os
 import glob
 
-import toml
 
-from mipdb.database import MonetDB
+from mipdb.database import MonetDB, credentials_from_config
 from mipdb.reader import JsonFileReader
 from mipdb.usecases import (
     AddDataModel,
@@ -36,28 +35,16 @@
 from mipdb.usecases import ValidateDataset
 
 
-def load_credentials_options_from_config():
-    try:
-        config = toml.load("/opt/credentials/config.toml")
-        return {
-            "--ip": config["DB_IP"],
-            "--port": config["DB_PORT"],
-            "--username": config["MONETDB_ADMIN_USERNAME"],
-            "--password": config["MONETDB_LOCAL_PASSWORD"],
-            "--db_name": config["DB_NAME"],
-        }
-    except FileNotFoundError:
-        return {
-            "--ip": "",
-            "--port": "",
-            "--username": "",
-            "--password": "",
-            "--db_name": "",
-        }
-
 class NotRequiredIf(cl.Option):
     def __init__(self, *args, **kwargs):
-        option_to_env_var = load_credentials_options_from_config()
+        credentials = credentials_from_config()
+        option_to_env_var = {
+            "--ip": credentials["DB_IP"],
+            "--port": credentials["DB_PORT"],
+            "--username": credentials["MONETDB_ADMIN_USERNAME"],
+            "--password": credentials["MONETDB_LOCAL_PASSWORD"],
+            "--db_name": credentials["DB_NAME"],
+        }
         option = args[0][0]
         if option_to_env_var[option]:
             kwargs["required"] = False
@@ -110,6 +97,13 @@ def get_db_config(ip, port, username, password, db_name):
     except ValueError:
         raise UserInputError("Invalid ip provided")
 
+        option_to_env_var = {
+            "--ip": credentials["DB_IP"],
+            "--port": credentials["DB_PORT"],
+            "--username": credentials["MONETDB_ADMIN_USERNAME"],
+            "--password": credentials["MONETDB_LOCAL_PASSWORD"],
+            "--db_name": credentials["DB_NAME"],
+        }
     config = {
         "ip": ip,
         "port": port,
diff --git a/mipdb/database.py b/mipdb/database.py
index 835d2ac..f64e684 100644
--- a/mipdb/database.py
+++ b/mipdb/database.py
@@ -4,6 +4,7 @@
 from typing import Union
 
 import sqlalchemy as sql
+import toml
 from pymonetdb.sql import monetize
 
 from mipdb.exceptions import DataBaseError
@@ -12,6 +13,7 @@
 METADATA_SCHEMA = "mipdb_metadata"
 METADATA_TABLE = "variables_metadata"
 
+CONFIG = "/opt/credentials/config.toml"
 
 class Status:
     ENABLED = "ENABLED"
@@ -591,6 +593,22 @@ def execute(self, query, *args, **kwargs) -> list:
         return self._executor.execute(query, *args, **kwargs) or []
 
 
+def credentials_from_config():
+    try:
+        return toml.load(CONFIG)
+    except FileNotFoundError:
+        return {
+            "DB_IP":"",
+            "DB_PORT": "",
+            "MONETDB_ADMIN_USERNAME":"",
+            "MONETDB_LOCAL_USERNAME":"",
+            "MONETDB_LOCAL_PASSWORD":"",
+            "MONETDB_PUBLIC_USERNAME":"",
+            "MONETDB_PUBLIC_PASSWORD":"",
+            "DB_NAME": "",
+        }
+
+
 class MonetDB(DBExecutorMixin, DataBase):
     """Concrete DataBase object connecting to a MonetDB instance. Gets all its
     query executing methods from DBExecutorMixin."""
@@ -609,6 +627,7 @@ def from_config(self, dbconfig) -> "MonetDB":
         url = f"monetdb://{username}:{password}@{ip}:{port}/{dbfarm}"
         return MonetDB(url)
 
+
     @handle_errors
     def execute(self, query, *args, **kwargs) -> list:
         """Wrapper around SQLAlchemy's execute. Required because pymonetdb
diff --git a/mipdb/tables.py b/mipdb/tables.py
index f66d5dd..a494a2f 100644
--- a/mipdb/tables.py
+++ b/mipdb/tables.py
@@ -5,10 +5,10 @@
 from typing import Union, List
 
 import sqlalchemy as sql
-from sqlalchemy import ForeignKey, Integer, MetaData
+from sqlalchemy import ForeignKey, MetaData
 from sqlalchemy.ext.compiler import compiles
 
-from mipdb.database import DataBase, Connection
+from mipdb.database import DataBase, Connection, credentials_from_config
 from mipdb.database import METADATA_SCHEMA
 from mipdb.database import METADATA_TABLE
 from mipdb.dataelements import CommonDataElement
@@ -19,9 +19,10 @@
 
 
 class User(Enum):
-    executor = os.getenv('MONETDB_LOCAL_USERNAME', 'executor')
-    admin = os.getenv('MONETDB_ADMIN_USERNAME','admin')
-    guest = os.getenv('MONETDB_PUBLIC_USERNAME','guest')
+    credentials = credentials_from_config()
+    executor = credentials['MONETDB_LOCAL_USERNAME']
+    admin = credentials['MONETDB_ADMIN_USERNAME']
+    guest = credentials['MONETDB_PUBLIC_USERNAME']
 
 
 @compiles(sql.types.JSON, "monetdb")
diff --git a/pyproject.toml b/pyproject.toml
index db401d0..735397f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "mipdb"
-version = "2.4.0"
+version = "2.4.1"
 description = ""
 authors = ["Your Name <you@example.com>"]