diff --git a/src/Umbraco.Web.UI.Client/libs/extensions-registry/workspace-action.models.ts b/src/Umbraco.Web.UI.Client/libs/extensions-registry/workspace-action.models.ts
index d37e5b53eb..8804544841 100644
--- a/src/Umbraco.Web.UI.Client/libs/extensions-registry/workspace-action.models.ts
+++ b/src/Umbraco.Web.UI.Client/libs/extensions-registry/workspace-action.models.ts
@@ -11,5 +11,5 @@ export interface MetaWorkspaceAction {
 	label?: string; //TODO: Use or implement additional label-key
 	look?: InterfaceLook;
 	color?: InterfaceColor;
-	api: any; //TODO: Implement UmbEntityAction
+	api?: any; //TODO: Implement UmbEntityAction
 }