diff --git a/lib/active_storage/migration.rb b/lib/active_storage/migration.rb
index c0400abe3b..fe08e80127 100644
--- a/lib/active_storage/migration.rb
+++ b/lib/active_storage/migration.rb
@@ -1,4 +1,4 @@
-class ActiveStorage::CreateTables < ActiveRecord::Migration[5.1]
+class ActiveStorageCreateTables < ActiveRecord::Migration[5.1]
   def change
     create_table :active_storage_blobs do |t|
       t.string  :key
diff --git a/test/database/create_users_migration.rb b/test/database/create_users_migration.rb
index 15be1938a9..a0b72a90ee 100644
--- a/test/database/create_users_migration.rb
+++ b/test/database/create_users_migration.rb
@@ -1,4 +1,4 @@
-class ActiveStorage::CreateUsers < ActiveRecord::Migration[5.1]
+class ActiveStorageCreateUsers < ActiveRecord::Migration[5.1]
   def change
     create_table :users do |t|
       t.string :name
diff --git a/test/database/setup.rb b/test/database/setup.rb
index 828edd86dd..5921412b0c 100644
--- a/test/database/setup.rb
+++ b/test/database/setup.rb
@@ -2,5 +2,5 @@ require "active_storage/migration"
 require_relative "create_users_migration"
 
 ActiveRecord::Base.establish_connection(adapter: 'sqlite3', database: ':memory:')
-ActiveStorage::CreateTables.migrate(:up)
-ActiveStorage::CreateUsers.migrate(:up)
+ActiveStorageCreateTables.migrate(:up)
+ActiveStorageCreateUsers.migrate(:up)