diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb
index 6a9af5d1b4ab324a7da29fa7a15a7c9400daee63..8f52e9068af1eebf9ffd3e9ed5a2526cce9b6249 100644
--- a/activerecord/lib/active_record/tasks/database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/database_tasks.rb
@@ -43,7 +43,7 @@ module DatabaseTasks
       LOCAL_HOSTS    = ['127.0.0.1', 'localhost']
 
       def check_protected_environments!
-        unless ENV['DISABLE_DATABASE_internal_metadata']
+        unless ENV['DISABLE_DATABASE_ENVIRONMENT_CHECK']
           current = ActiveRecord::Migrator.current_environment
           stored  = ActiveRecord::Migrator.last_stored_environment