diff --git a/aim/services.py b/aim/services.py
index a55d52d..b3dffdc 100644
--- a/aim/services.py
+++ b/aim/services.py
@@ -1,7 +1,14 @@
 from types import SimpleNamespace
 import os
+import sqlalchemy as sa
 
 S = SimpleNamespace()
-S.mysql_database = f'mysql+mysqldb://{os.environ["MARIADB_USER"]}:{os.environ["MARIADB_PASSWORD"]}@{os.environ["DATABASE_HOST"]}/{os.environ["MARIADB_DATABASE"]}'
+S.mysql_database = sa.engine.URL.create(
+    drivername="mysql+mysqldb",
+    username=os.environ["MARIADB_USER"],
+    password=os.environ["MARIADB_PASSWORD"],
+    host=os.environ["DATABASE_HOST"],
+    database=os.environ["MARIADB_DATABASE"],
+)
 S.test_database = "sqlite:///:memory:"
 S.ci_on = os.getenv("CI")