diff --git a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
index 66db2af295..9213ce6bb0 100644
--- a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb
@@ -188,4 +188,5 @@ class Mysql2ActiveSchemaTest < ActiveRecord::Mysql2TestCase
     def method_missing(method_symbol, *arguments)
       ActiveRecord::Base.connection.send(method_symbol, *arguments)
     end
+    ruby2_keywords(:method_missing) if respond_to?(:ruby2_keywords, true)
 end