diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts
index 40248f67a3..1cd00a2c24 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/components/extension-with-api-slot/extension-with-api-slot.element.ts
@@ -161,6 +161,7 @@ export class UmbExtensionWithApiSlotElement extends UmbLitElement {
 				undefined, // We can leave the alias to undefined, as we destroy this our selfs.
 				this.defaultElement,
 			);
+			this.#extensionsController.apiProperties = this.#apiProps;
 			this.#extensionsController.elementProperties = this.#elProps;
 		}
 	}