diff --git a/localtests/bigint-change-nullable/create.sql b/localtests/bigint-change-nullable/create.sql
new file mode 100644
index 0000000..f4f0548
--- /dev/null
+++ b/localtests/bigint-change-nullable/create.sql
@@ -0,0 +1,21 @@
+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id bigint auto_increment,
+  val bigint not null,
+  primary key(id)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test values (null, 18446744073709551615);
+  insert into gh_ost_test values (null, 18446744073709551614);
+  insert into gh_ost_test values (null, 18446744073709551613);
+end ;;
diff --git a/localtests/bigint-change-nullable/extra_args b/localtests/bigint-change-nullable/extra_args
new file mode 100644
index 0000000..784d522
--- /dev/null
+++ b/localtests/bigint-change-nullable/extra_args
@@ -0,0 +1 @@
+--alter="change val val bigint"