diff --git a/mongo_migrations/admin/0001_initial.py b/mongo_migrations/admin/0001_initial.py
index c335648..76bffbc 100644
--- a/mongo_migrations/admin/0001_initial.py
+++ b/mongo_migrations/admin/0001_initial.py
@@ -21,7 +21,7 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='LogEntry',
             fields=[
-                ('id', django_mongodb.fields.auto.ObjectIdAutoField(auto_created=True, db_column='_id', primary_key=True, serialize=False, verbose_name='ID')),
+                ('id', django_mongodb.fields.ObjectIdAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('action_time', models.DateTimeField(default=django.utils.timezone.now, editable=False, verbose_name='action time')),
                 ('object_id', models.TextField(blank=True, null=True, verbose_name='object id')),
                 ('object_repr', models.CharField(max_length=200, verbose_name='object repr')),
diff --git a/mongo_migrations/auth/0001_initial.py b/mongo_migrations/auth/0001_initial.py
index 243bb48..74a9fc0 100644
--- a/mongo_migrations/auth/0001_initial.py
+++ b/mongo_migrations/auth/0001_initial.py
@@ -20,7 +20,7 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='Permission',
             fields=[
-                ('id', django_mongodb.fields.auto.ObjectIdAutoField(auto_created=True, db_column='_id', primary_key=True, serialize=False, verbose_name='ID')),
+                ('id', django_mongodb.fields.ObjectIdAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(max_length=255, verbose_name='name')),
                 ('codename', models.CharField(max_length=100, verbose_name='codename')),
                 ('content_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contenttypes.contenttype', verbose_name='content type')),
@@ -38,7 +38,7 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='Group',
             fields=[
-                ('id', django_mongodb.fields.auto.ObjectIdAutoField(auto_created=True, db_column='_id', primary_key=True, serialize=False, verbose_name='ID')),
+                ('id', django_mongodb.fields.ObjectIdAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(max_length=150, unique=True, verbose_name='name')),
                 ('permissions', models.ManyToManyField(blank=True, to='auth.permission', verbose_name='permissions')),
             ],
@@ -53,7 +53,7 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='User',
             fields=[
-                ('id', django_mongodb.fields.auto.ObjectIdAutoField(auto_created=True, db_column='_id', primary_key=True, serialize=False, verbose_name='ID')),
+                ('id', django_mongodb.fields.ObjectIdAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('password', models.CharField(max_length=128, verbose_name='password')),
                 ('last_login', models.DateTimeField(blank=True, null=True, verbose_name='last login')),
                 ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
diff --git a/mongo_migrations/contenttypes/0001_initial.py b/mongo_migrations/contenttypes/0001_initial.py
index a05ed95..e5984e2 100644
--- a/mongo_migrations/contenttypes/0001_initial.py
+++ b/mongo_migrations/contenttypes/0001_initial.py
@@ -16,7 +16,7 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='ContentType',
             fields=[
-                ('id', django_mongodb.fields.auto.ObjectIdAutoField(auto_created=True, db_column='_id', primary_key=True, serialize=False, verbose_name='ID')),
+                ('id', django_mongodb.fields.ObjectIdAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('app_label', models.CharField(max_length=100)),
                 ('model', models.CharField(max_length=100, verbose_name='python model class name')),
             ],