diff --git a/code/frameworks/angular/src/client/decorators.test.ts b/code/frameworks/angular/src/client/decorators.test.ts
index f31678fbd0c..e07f21fe4de 100644
--- a/code/frameworks/angular/src/client/decorators.test.ts
+++ b/code/frameworks/angular/src/client/decorators.test.ts
@@ -26,6 +26,8 @@ const defaultContext: Addon_StoryContext<AngularRenderer> = {
   canvasElement: undefined,
   step: undefined,
   context: undefined,
+  canvas: undefined,
+  mount: undefined,
 };
 
 defaultContext.context = defaultContext;