diff --git a/migrations/env.py b/migrations/env.py
index 015e56e87a3f95bb18c3c356e2185dca766971a8..251d615548bd0bc71933d8f180012782a94b6ccb 100644
--- a/migrations/env.py
+++ b/migrations/env.py
@@ -3,6 +3,9 @@ from alembic import context
 from sqlalchemy import engine_from_config, pool
 from logging.config import fileConfig
 
+# We need this for the models to be registered in the metadata.
+from mutalyzer.db import models
+
 from mutalyzer import db
 from mutalyzer.config import settings