diff --git a/flaschengeist/config.py b/flaschengeist/config.py
index 09ada68..089dab9 100644
--- a/flaschengeist/config.py
+++ b/flaschengeist/config.py
@@ -9,7 +9,7 @@ from flaschengeist import _module_path, logger
 
 
 # Default config:
-config = {}
+config = {"DATABASE": {"port": 3306}}
 
 
 def update_dict(d, u):
@@ -66,11 +66,12 @@ def configure_app(app, test_config=None):
         app.config["SECRET_KEY"] = config["FLASCHENGEIST"]["secret_key"]
 
     if test_config is None:
-        app.config["SQLALCHEMY_DATABASE_URI"] = "mysql://{user}:{passwd}@{host}/{database}".format(
+        app.config["SQLALCHEMY_DATABASE_URI"] = "mysql://{user}:{passwd}@{host}:{port}/{database}".format(
             user=config["DATABASE"]["user"],
             passwd=config["DATABASE"]["password"],
             host=config["DATABASE"]["host"],
             database=config["DATABASE"]["database"],
+            port=config["DATABASE"]["port"],
         )
     else:
         app.config["SQLALCHEMY_DATABASE_URI"] = f"sqlite+pysqlite://{config['DATABASE']['file_path']}"