diff --git a/spoolman/database/database.py b/spoolman/database/database.py
index 5f6f9e3..996ae1c 100644
--- a/spoolman/database/database.py
+++ b/spoolman/database/database.py
@@ -2,10 +2,8 @@
 
 import logging
 from collections.abc import AsyncGenerator
-from pathlib import Path
 from typing import Optional
 
-from platformdirs import user_data_dir
 from sqlalchemy import URL
 from sqlalchemy.ext.asyncio import AsyncEngine, AsyncSession, async_sessionmaker, create_async_engine
 
@@ -27,11 +25,14 @@ def get_connection_url() -> URL:
     if db_type is None:
         db_type = env.DatabaseType.SQLITE
 
-        data_dir = Path(user_data_dir("spoolman"))
-        data_dir.mkdir(parents=True, exist_ok=True)
-
-        database = str(data_dir.joinpath("spoolman.db"))
+        database = str(env.get_data_dir().joinpath("spoolman.db"))
         logger.info('No database type specified, using a default SQLite database located at "%s"', database)
+    elif db_type is env.DatabaseType.SQLITE:
+        if database is not None:
+            raise ValueError("Cannot specify a database name when using SQLite.")
+
+        database = str(env.get_data_dir().joinpath("spoolman.db"))
+        logger.info('Using SQLite database located at "%s"', database)
     else:
         logger.info('Connecting to database of type "%s" at "%s:%s"', db_type, host, port)
 
diff --git a/spoolman/env.py b/spoolman/env.py
index 4ef2775..0d68d92 100644
--- a/spoolman/env.py
+++ b/spoolman/env.py
@@ -7,6 +7,8 @@ from pathlib import Path
 from typing import Optional
 from urllib import parse
 
+from platformdirs import user_data_dir
+
 
 class DatabaseType(Enum):
     """The database type."""
@@ -192,3 +194,14 @@ def is_debug_mode() -> bool:
     if debug_mode == "TRUE" or debug_mode == "1":
         return True
     raise ValueError(f"Failed to parse SPOOLMAN_DEBUG_MODE variable: Unknown debug mode '{debug_mode}'.")
+
+
+def get_data_dir() -> Path:
+    """Get the data directory.
+
+    Returns:
+        Path: The data directory.
+    """
+    data_dir = Path(user_data_dir("spoolman"))
+    data_dir.mkdir(parents=True, exist_ok=True)
+    return data_dir
diff --git a/spoolman/main.py b/spoolman/main.py
index d54a056..6285110 100644
--- a/spoolman/main.py
+++ b/spoolman/main.py
@@ -11,16 +11,13 @@ import uvicorn
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.staticfiles import StaticFiles
-from platformdirs import user_data_dir
 
 from spoolman import env
 from spoolman.api.v1.router import app as v1_app
 from spoolman.database.database import get_connection_url, setup_db
 
 # Define a file logger with log rotation
-data_dir = Path(user_data_dir("spoolman"))
-data_dir.mkdir(parents=True, exist_ok=True)
-log_file = data_dir.joinpath("spoolman.log")
+log_file = env.get_data_dir().joinpath("spoolman.log")
 file_handler = TimedRotatingFileHandler(log_file, when="midnight", backupCount=5)
 file_handler.setFormatter(logging.Formatter("%(asctime)s:%(levelname)s:%(message)s", "%Y-%m-%d %H:%M:%S"))