diff --git a/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/index.ts b/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/index.ts
index bd4170c1ec..5aa1dd3da9 100644
--- a/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/index.ts
+++ b/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/index.ts
@@ -158,7 +158,7 @@ export interface ManifestWithLoader<LoaderReturnType> extends ManifestBase {
  */
 export interface ManifestClass<ClassType = unknown> extends ManifestWithLoader<{ default: ClassConstructor<ClassType> }> {
 	//type: ManifestStandardTypes;
-	readonly CLASS_TYPE: ClassType;
+	readonly CLASS_TYPE?: ClassType;
 
 	/**
 	 * The file location of the javascript file to load
@@ -185,7 +185,7 @@ export interface ManifestClassWithClassConstructor<T = unknown> extends Manifest
 export interface ManifestElement<ElementType extends HTMLElement = HTMLElement>
 	extends ManifestWithLoader<{ default: ClassConstructor<ElementType> } | Omit<object, 'default'>> {
 	//type: ManifestStandardTypes;
-	readonly ELEMENT_TYPE: ElementType;
+	readonly ELEMENT_TYPE?: ElementType;
 
 	/**
 	 * The file location of the javascript file to load
diff --git a/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/property-editor.model.ts b/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/property-editor.model.ts
index c591724259..7cafc2e3f5 100644
--- a/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/property-editor.model.ts
+++ b/src/Umbraco.Web.UI.Client/libs/extensions-registry/models/property-editor.model.ts
@@ -1,4 +1,4 @@
-import type { UmbPropertyEditorElement } from './interfaces';
+import type { UmbPropertyEditorElement } from '../interfaces';
 import type { ManifestElement, ManifestBase } from '.';
 
 export interface ManifestPropertyEditorUI extends ManifestElement<UmbPropertyEditorElement> {