diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go
index a19d1f178749d..6a8b984a4d953 100644
--- a/ddl/ddl_api.go
+++ b/ddl/ddl_api.go
@@ -4546,7 +4546,7 @@ func checkExchangePartition(pt *model.TableInfo, nt *model.TableInfo) error {
 		return errors.Trace(dbterror.ErrPartitionExchangePartTable.GenWithStackByArgs(nt.Name))
 	}
 
-	if nt.ForeignKeys != nil {
+	if len(nt.ForeignKeys) > 0 {
 		return errors.Trace(dbterror.ErrPartitionExchangeForeignKey.GenWithStackByArgs(nt.Name))
 	}
 
diff --git a/ddl/integration_test.go b/ddl/integration_test.go
index 46f26fa5e8237..4a00bab84a16b 100644
--- a/ddl/integration_test.go
+++ b/ddl/integration_test.go
@@ -142,3 +142,18 @@ func TestDDLOnCachedTable(t *testing.T) {
 	tk.MustExec("alter table t nocache;")
 	tk.MustExec("drop table if exists t;")
 }
+
+func TestExchangePartitionAfterDropForeignKey(t *testing.T) {
+	store := testkit.CreateMockStore(t)
+	tk := testkit.NewTestKit(t, store)
+
+	tk.MustExec("use test;")
+
+	tk.MustExec("create table parent (id int unique);")
+	tk.MustExec("create table child (id int, parent_id int, foreign key (parent_id) references parent(id));")
+	tk.MustExec("create table child_with_partition(id int, parent_id int) partition by range(id) (partition p1 values less than (100));")
+	tk.MustGetErrMsg("alter table child_with_partition exchange partition p1 with table child;", "[ddl:1740]Table to exchange with partition has foreign key references: 'child'")
+	tk.MustExec("alter table child drop foreign key fk_1;")
+	tk.MustExec("alter table child drop key fk_1;")
+	tk.MustExec("alter table child_with_partition exchange partition p1 with table child;")
+}