diff --git a/src/teilchensammler_cli/database.py b/src/teilchensammler_cli/database.py
index fe3906a..6f39922 100644
--- a/src/teilchensammler_cli/database.py
+++ b/src/teilchensammler_cli/database.py
@@ -1,6 +1,6 @@
 from sqlmodel import SQLModel, create_engine
 
-sqlite_url = "sqlite:///:memory:"
+sqlite_url = "sqlite:///:memory:"  # TODO: get url from environment
 engine = create_engine(sqlite_url, echo=True)