diff --git a/neutron/db/migration/__init__.py b/neutron/db/migration/__init__.py
index 484aeeaee60..b8d94b22f42 100644
--- a/neutron/db/migration/__init__.py
+++ b/neutron/db/migration/__init__.py
@@ -165,7 +165,7 @@ def create_foreign_keys(table, foreign_keys):
             referent_table=fk['referred_table'],
             local_cols=fk['constrained_columns'],
             remote_cols=fk['referred_columns'],
-            ondelete='CASCADE'
+            ondelete=fk['options'].get('ondelete')
         )
 
 
diff --git a/neutron/db/migration/alembic_migrations/versions/liberty/contract/2e5352a0ad4d_add_missing_foreign_keys.py b/neutron/db/migration/alembic_migrations/versions/liberty/contract/2e5352a0ad4d_add_missing_foreign_keys.py
index 322f6b06594..4961514dd62 100644
--- a/neutron/db/migration/alembic_migrations/versions/liberty/contract/2e5352a0ad4d_add_missing_foreign_keys.py
+++ b/neutron/db/migration/alembic_migrations/versions/liberty/contract/2e5352a0ad4d_add_missing_foreign_keys.py
@@ -37,5 +37,8 @@ TABLE_NAME = 'flavorserviceprofilebindings'
 def upgrade():
     inspector = reflection.Inspector.from_engine(op.get_bind())
     fk_constraints = inspector.get_foreign_keys(TABLE_NAME)
+    for fk in fk_constraints:
+        fk['options']['ondelete'] = 'CASCADE'
+
     migration.remove_foreign_keys(TABLE_NAME, fk_constraints)
     migration.create_foreign_keys(TABLE_NAME, fk_constraints)