diff --git a/t/pt-online-schema-change/samples/bug-1315130.sql b/t/pt-online-schema-change/samples/bug-1315130.sql
new file mode 100644
index 00000000..2bfce43f
--- /dev/null
+++ b/t/pt-online-schema-change/samples/bug-1315130.sql
@@ -0,0 +1,12 @@
+drop database if exists bug_1315130_a;
+create database bug_1315130_a;
+use bug_1315130_a;
+create table parent_table (a int unsigned primary key);
+create table child_table_in_same_schema (a int unsigned primary key, constraint a_fk foreign key a_fk (a) references parent_table(a));
+drop database if exists bug_1315130_b;
+create database bug_1315130_b;
+use bug_1315130_b;
+create table child_table_in_second_schema (a int unsigned primary key, constraint a_fk foreign key a_fk (a) references bug_1315130_a.parent_table(a));
+create table parent_table (a int unsigned primary key);
+create table bug_1315130_a.child_table_in_same_schema_referencing_second_schema (a int unsigned primary key, constraint a_fk2 foreign key a_fk2 (a) references bug_1315130_b.parent_table(a));
+
diff --git a/t/pt-online-schema-change/samples/bug-1315130_cleanup.sql b/t/pt-online-schema-change/samples/bug-1315130_cleanup.sql
new file mode 100644
index 00000000..9585cafe
--- /dev/null
+++ b/t/pt-online-schema-change/samples/bug-1315130_cleanup.sql
@@ -0,0 +1,5 @@
+SET FOREIGN_KEY_CHECKS=0;
+drop database if exists bug_1315130_a;
+drop database if exists bug_1315130_b;
+SET FOREIGN_KEY_CHECKS=1;
+