diff --git a/src/entity.mst b/src/entity.mst
index cb702db..c2f712e 100644
--- a/src/entity.mst
+++ b/src/entity.mst
@@ -24,7 +24,7 @@ import {Index,Entity, PrimaryColumn, Column, OneToOne, OneToMany, ManyToOne, Man
         })
     {{toPropertyName name}}:{{ts_type}};
         {{/relations}}{{#relations}}
-    @{{relationType}}(type=>{{toEntityName relatedTable}}, {{toPropertyName ../name}}=>{{toPropertyName ../name}}.{{#if isOwner}}{{toPropertyName ownerColumn}},{ {{#../isPrimary}}primary:true,{{/../isPrimary}}{{^../is_nullable}} nullable:false,{{/../is_nullable}}{{#actionOnDelete}}onDelete: '{{.}}'{{/actionOnDelete}} }{{else}}{{toPropertyName relatedColumn}}{{#actionOnDelete}},{ onDelete: '{{.}}' }{{/actionOnDelete}}{{/if}}){{#isOwner}}
+    @{{relationType}}(type=>{{toEntityName relatedTable}}, {{toPropertyName ../name}}=>{{toPropertyName ../name}}.{{#if isOwner}}{{toPropertyName ownerColumn}},{ {{#../isPrimary}}primary:true,{{/../isPrimary}}{{^../is_nullable}} nullable:false,{{/../is_nullable}}{{#actionOnDelete}}onDelete: '{{.}}',{{/actionOnDelete}}{{#actionOnUpdate}}onUpdate: '{{.}}'{{/actionOnUpdate}} }{{else}}{{toPropertyName relatedColumn}}{{#actionOnDelete}},{ onDelete: '{{.}}' }{{/actionOnDelete}}{{/if}}){{#isOwner}}
     {{#if isManyToMany}}@JoinTable(){{else}}@JoinColumn({ name:'{{ ../name}}'}){{/if}}{{/isOwner}}
     {{#if (or isOneToMany isManyToMany)}}{{toPropertyName ../name}}:{{toLazy (concat  (toEntityName relatedTable) "[]")}};
     {{else}}{{toPropertyName ../name}}:{{toLazy (toEntityName relatedTable)}};
diff --git a/test/integration/examples/sample18-lazy-relations/entity/Post.ts b/test/integration/examples/sample18-lazy-relations/entity/Post.ts
index 303ff25..88bfe40 100644
--- a/test/integration/examples/sample18-lazy-relations/entity/Post.ts
+++ b/test/integration/examples/sample18-lazy-relations/entity/Post.ts
@@ -1,6 +1,6 @@
 import { Column, Entity, Index, PrimaryGeneratedColumn, ManyToOne, ManyToMany, JoinTable } from "typeorm"
-import {Author} from "./Author";
-import {Category} from "./Category";
+import { Author } from "./Author";
+import { Category } from "./Category";
 
 @Entity("Post")
 export class Post {
@@ -16,9 +16,10 @@ export class Post {
 
     @ManyToOne(type => Author, author => author.posts, {
         // cascade: ["insert"],
-        onDelete: "SET NULL"
+        onDelete: "SET NULL",
+        onUpdate: "CASCADE"
     })
-    author: Promise<Author|null>;
+    author: Promise<Author | null>;
 
     @ManyToMany(type => Category, category => category.Post, {
         // cascade: true