diff --git a/db/migrate/20230516072511_add_created_manually_flag_to_customer.rb b/db/migrate/20230516072511_add_created_manually_flag_to_customer.rb
index 90b9dbac60..886650ef79 100644
--- a/db/migrate/20230516072511_add_created_manually_flag_to_customer.rb
+++ b/db/migrate/20230516072511_add_created_manually_flag_to_customer.rb
@@ -1,5 +1,8 @@
+# frozen_string_literal: true
+
 class AddCreatedManuallyFlagToCustomer < ActiveRecord::Migration[7.0]
   def change
-    add_column :customers, :created_manually, :boolean, default: false
+    add_column :customers, :created_manually, :boolean, null: false, default: false
+    add_index :customers, :created_manually
   end
 end
diff --git a/db/migrate/20230531010957_add_index_to_customers.rb b/db/migrate/20230531010957_add_index_to_customers.rb
deleted file mode 100644
index c17c034c42..0000000000
--- a/db/migrate/20230531010957_add_index_to_customers.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class AddIndexToCustomers < ActiveRecord::Migration[7.0]
-  def change
-    add_index :customers, :created_manually
-  end
-end
diff --git a/db/schema.rb b/db/schema.rb
index 0521b61047..c7bc88e74a 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_05_31_010957) do
+ActiveRecord::Schema[7.0].define(version: 2023_06_05_133804) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
   enable_extension "plpgsql"
@@ -93,7 +93,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_05_31_010957) do
     t.datetime "terms_and_conditions_accepted_at", precision: nil
     t.string "first_name", default: "", null: false
     t.string "last_name", default: "", null: false
-    t.boolean "created_manually", default: false
+    t.boolean "created_manually", default: false, null: false
     t.index ["bill_address_id"], name: "index_customers_on_bill_address_id"
     t.index ["created_manually"], name: "index_customers_on_created_manually"
     t.index ["email"], name: "index_customers_on_email"