diff --git a/oslo_db/sqlalchemy/test_migrations.py b/oslo_db/sqlalchemy/test_migrations.py
index 4b710488..df53b855 100644
--- a/oslo_db/sqlalchemy/test_migrations.py
+++ b/oslo_db/sqlalchemy/test_migrations.py
@@ -481,7 +481,10 @@ class ModelsMigrationsSync(object):
                 isinstance(meta_def.arg, expr.False_) and insp_def == "'0'"
             )
 
-        if isinstance(meta_col.type, sqlalchemy.Integer):
+        impl_type = meta_col.type
+        if isinstance(impl_type, types.Variant):
+            impl_type = impl_type.load_dialect_impl(bind.dialect)
+        if isinstance(impl_type, (sqlalchemy.Integer, sqlalchemy.BigInteger)):
             if meta_def is None or insp_def is None:
                 return meta_def != insp_def
             return meta_def.arg != insp_def.split("'")[1]
diff --git a/oslo_db/tests/sqlalchemy/test_migrations.py b/oslo_db/tests/sqlalchemy/test_migrations.py
index 3d97976d..65ad6f81 100644
--- a/oslo_db/tests/sqlalchemy/test_migrations.py
+++ b/oslo_db/tests/sqlalchemy/test_migrations.py
@@ -200,6 +200,7 @@ class ModelsMigrationSyncMixin(test_base.DbTestCase):
                                               name='testenum'),
                       server_default="first"),
             sa.Column('variant', sa.BigInteger()),
+            sa.Column('variant2', sa.BigInteger(), server_default='0'),
             sa.Column('fk_check', sa.String(36), nullable=False),
             sa.UniqueConstraint('spam', 'eggs', name='uniq_cons'),
         )
@@ -230,6 +231,8 @@ class ModelsMigrationSyncMixin(test_base.DbTestCase):
                                      server_default="first")
             variant = sa.Column(sa.BigInteger().with_variant(
                 sa.Integer(), 'sqlite'))
+            variant2 = sa.Column(sa.BigInteger().with_variant(
+                sa.Integer(), 'sqlite'), server_default='0')
             bar = sa.Column('bar', sa.Numeric(10, 5))
 
         class ModelThatShouldNotBeCompared(BASE):