diff --git a/app/migrations/env.py b/app/migrations/env.py
index 21b45ab..6a9ac98 100644
--- a/app/migrations/env.py
+++ b/app/migrations/env.py
@@ -69,8 +69,12 @@ def run_migrations_online() -> None:
     )
 
     with connectable.connect() as connection:
+        # Enable batch mode for SQLite to support ALTER TABLE operations
+        # like DROP COLUMN which SQLite doesn't natively support
         context.configure(
-            connection=connection, target_metadata=target_metadata
+            connection=connection,
+            target_metadata=target_metadata,
+            render_as_batch=True
         )
 
         with context.begin_transaction():
diff --git a/app/migrations/versions/009_remove_cidrs.py b/app/migrations/versions/009_remove_cidrs.py
index 3f2bef3..42eb203 100644
--- a/app/migrations/versions/009_remove_cidrs.py
+++ b/app/migrations/versions/009_remove_cidrs.py
@@ -119,12 +119,15 @@ def upgrade():
         print("  ⚠ Table site_cidrs not found or already dropped\n")
 
     # Step 5: Drop site_cidr_id column from site_ips
+    # Use batch mode for SQLite compatibility (SQLite doesn't support DROP COLUMN directly)
     print("Step 5: Dropping site_cidr_id column from site_ips...")
     site_ips_columns = [col['name'] for col in inspector.get_columns('site_ips')]
 
     if 'site_cidr_id' in site_ips_columns:
         try:
-            op.drop_column('site_ips', 'site_cidr_id')
+            # Use batch_alter_table for SQLite compatibility
+            with op.batch_alter_table('site_ips', schema=None) as batch_op:
+                batch_op.drop_column('site_cidr_id')
             print("  ✓ Dropped site_cidr_id column from site_ips\n")
         except Exception as e:
             print(f"  ⚠ Could not drop column: {e}\n")
diff --git a/app/migrations/versions/013_repair_site_ips_schema.py b/app/migrations/versions/013_repair_site_ips_schema.py
new file mode 100644
index 0000000..6ae856a
--- /dev/null
+++ b/app/migrations/versions/013_repair_site_ips_schema.py
@@ -0,0 +1,59 @@
+"""Repair site_ips schema - remove site_cidr_id if still present
+
+Revision ID: 013
+Revises: 012
+Create Date: 2025-12-24
+
+This migration repairs databases where migration 009 failed to drop the
+site_cidr_id column due to SQLite limitations. It uses batch mode which
+properly handles SQLite's lack of ALTER TABLE DROP COLUMN support.
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic
+revision = '013'
+down_revision = '012'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    """
+    Remove site_cidr_id column if it still exists (repair for failed 009).
+    """
+    connection = op.get_bind()
+    inspector = sa.inspect(connection)
+
+    print("\n=== Migration 013: Repair site_ips Schema ===\n")
+
+    # Check if site_cidr_id column still exists
+    site_ips_columns = [col['name'] for col in inspector.get_columns('site_ips')]
+
+    if 'site_cidr_id' in site_ips_columns:
+        print("Found orphaned site_cidr_id column - repairing...")
+
+        # Use batch mode for SQLite compatibility
+        with op.batch_alter_table('site_ips', schema=None) as batch_op:
+            batch_op.drop_column('site_cidr_id')
+
+        print("  ✓ Dropped site_cidr_id column from site_ips")
+        print("\n✓ Schema repair complete!")
+    else:
+        print("Schema is correct - site_cidr_id column not present.")
+        print("No repair needed.\n")
+
+
+def downgrade():
+    """
+    Re-add site_cidr_id column (nullable, since we can't restore data).
+    """
+    print("\n=== Downgrade 013: Re-add site_cidr_id ===\n")
+
+    with op.batch_alter_table('site_ips', schema=None) as batch_op:
+        batch_op.add_column(
+            sa.Column('site_cidr_id', sa.Integer(), nullable=True)
+        )
+
+    print("  ✓ Re-added site_cidr_id column (nullable)")