diff --git a/neutron/db/migration/alembic_migrations/versions/mitaka/expand/13cfb89f881a_add_is_default_to_subnetpool.py b/neutron/db/migration/alembic_migrations/versions/mitaka/expand/13cfb89f881a_add_is_default_to_subnetpool.py
index 6e7d9f7494b..48c198e4114 100644
--- a/neutron/db/migration/alembic_migrations/versions/mitaka/expand/13cfb89f881a_add_is_default_to_subnetpool.py
+++ b/neutron/db/migration/alembic_migrations/versions/mitaka/expand/13cfb89f881a_add_is_default_to_subnetpool.py
@@ -27,10 +27,12 @@ down_revision = '59cb5b6cf4d'
 
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy import sql
 
 
 def upgrade():
     op.add_column('subnetpools',
                   sa.Column('is_default',
                             sa.Boolean(),
+                            server_default=sql.false(),
                             nullable=False))
diff --git a/neutron/db/models_v2.py b/neutron/db/models_v2.py
index 3c6bf0d7e52..2a78dbee146 100644
--- a/neutron/db/models_v2.py
+++ b/neutron/db/models_v2.py
@@ -15,6 +15,7 @@
 
 import sqlalchemy as sa
 from sqlalchemy import orm
+from sqlalchemy import sql
 
 from neutron.api.v2 import attributes as attr
 from neutron.common import constants
@@ -248,7 +249,8 @@ class SubnetPool(model_base.HasStandardAttributes, model_base.BASEV2,
     min_prefixlen = sa.Column(sa.Integer, nullable=False)
     max_prefixlen = sa.Column(sa.Integer, nullable=False)
     shared = sa.Column(sa.Boolean, nullable=False)
-    is_default = sa.Column(sa.Boolean, nullable=False)
+    is_default = sa.Column(sa.Boolean, nullable=False,
+                           server_default=sql.false())
     default_quota = sa.Column(sa.Integer, nullable=True)
     hash = sa.Column(sa.String(36), nullable=False, server_default='')
     address_scope_id = sa.Column(sa.String(36), nullable=True)