diff --git a/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.test.ts b/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.test.ts
index 52951c793a..ce9ed8bedd 100644
--- a/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.test.ts
+++ b/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.test.ts
@@ -32,7 +32,8 @@ describe('TemplateEntityV1alpah1', () => {
         name: 'test',
       },
       spec: {
-        type: 'cookiecutter',
+        type: 'website',
+        templater: 'cookiecutter',
         schema: {
           $schema: 'http://json-schema.org/draft-07/schema#',
           required: ['storePath', 'owner'],
@@ -78,7 +79,7 @@ describe('TemplateEntityV1alpah1', () => {
     await expect(policy.enforce(entity)).rejects.toThrow(/type/);
   });
 
-  it('acceptps any other type', async () => {
+  it('accepts any other type', async () => {
     (entity as any).spec.type = 'hallo';
     await expect(policy.enforce(entity)).resolves.toBe(entity);
   });
@@ -87,4 +88,9 @@ describe('TemplateEntityV1alpah1', () => {
     (entity as any).spec.type = '';
     await expect(policy.enforce(entity)).rejects.toThrow(/type/);
   });
+
+  it('rejects missing templater', async () => {
+    (entity as any).spec.templater = '';
+    await expect(policy.enforce(entity)).rejects.toThrow(/templater/);
+  });
 });
diff --git a/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.ts b/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.ts
index c2f071b7c3..8aa79d57db 100644
--- a/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.ts
+++ b/packages/catalog-model/src/kinds/TemplateEntityV1alpha1.ts
@@ -26,6 +26,7 @@ export interface TemplateEntityV1alpha1 extends Entity {
   kind: typeof KIND;
   spec: {
     type: string;
+    templater: string;
     path?: string;
     schema: JSONSchema;
   };
@@ -43,6 +44,7 @@ export class TemplateEntityV1alpha1Policy implements EntityPolicy {
           type: yup.string().required().min(1),
           path: yup.string(),
           schema: yup.object().required(),
+          templater: yup.string().required(),
         })
         .required(),
     });