diff --git a/projects/example-app/src/app/books/effects/book.effects.spec.ts b/projects/example-app/src/app/books/effects/book.effects.spec.ts
index 2b235dac5e..3c9cac2d37 100644
--- a/projects/example-app/src/app/books/effects/book.effects.spec.ts
+++ b/projects/example-app/src/app/books/effects/book.effects.spec.ts
@@ -61,7 +61,7 @@ describe('BookEffects', () => {
       const completion = BooksApiActions.searchFailure({
         errorMsg: 'Unexpected Error. Try again later.',
       });
-      const error = 'Unexpected Error. Try again later.';
+      const error = { message: 'Unexpected Error. Try again later.' };
 
       actions$ = hot('-a---', { a: action });
       const response = cold('-#|', {}, error);
diff --git a/projects/example-app/src/app/books/effects/book.effects.ts b/projects/example-app/src/app/books/effects/book.effects.ts
index 4f55f9faca..f580ced454 100644
--- a/projects/example-app/src/app/books/effects/book.effects.ts
+++ b/projects/example-app/src/app/books/effects/book.effects.ts
@@ -50,7 +50,7 @@ export class BookEffects {
             takeUntil(nextSearch$),
             map((books: Book[]) => BooksApiActions.searchSuccess({ books })),
             catchError(err =>
-              of(BooksApiActions.searchFailure({ errorMsg: err }))
+              of(BooksApiActions.searchFailure({ errorMsg: err.message }))
             )
           );
         })