diff --git a/flaschengeist/config.py b/flaschengeist/config.py
index 089dab9..ed74470 100644
--- a/flaschengeist/config.py
+++ b/flaschengeist/config.py
@@ -66,7 +66,8 @@ 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}:{port}/{database}".format(
+        app.config["SQLALCHEMY_DATABASE_URI"] = "mysql{driver}://{user}:{passwd}@{host}:{port}/{database}".format(
+            driver="+pymysql" if os.name == "nt" else "",
             user=config["DATABASE"]["user"],
             passwd=config["DATABASE"]["password"],
             host=config["DATABASE"]["host"],