diff --git a/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb b/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
index 2cf7961934..dbb884b7a0 100644
--- a/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/mysql2_adapter_test.rb
@@ -33,7 +33,7 @@ class Mysql2AdapterTest < ActiveRecord::Mysql2TestCase
       fake_connection,
       ActiveRecord::Base.logger,
       nil,
-      { socket: File::NULL }
+      { socket: File::NULL, prepared_statements: false }
     )
     assert_raises ActiveRecord::ConnectionNotEstablished do
       @conn.reconnect!