diff --git a/src/Controller/BookController.php b/src/Controller/BookController.php
index af9492b4..383dc2fc 100644
--- a/src/Controller/BookController.php
+++ b/src/Controller/BookController.php
@@ -31,7 +31,7 @@ public function index(Request $request, Book $book, string $slug, BookSuggestion
         $openLibraries = (bool) $request->get('openlib', false);
         if (!$book->isVerified() && $google === true) {
             $suggestions = $bookSuggestions->getGoogleSuggestions($book);
-        }elseif (!$book->isVerified() && $openLibraries === true) {
+        } elseif (!$book->isVerified() && $openLibraries === true) {
             $suggestions = $bookSuggestions->getCategorySuggestions($book);
         }
 
@@ -82,7 +82,7 @@ public function index(Request $request, Book $book, string $slug, BookSuggestion
     #[Route('/download-image/{id}/{image}', name: 'app_book_downloadImage')]
     public function downloadImage(Book $book, string $image, BookSuggestions $bookSuggestions, EntityManagerInterface $entityManager, BookFileSystemManager $fileSystemManager): Response
     {
-        $suggestions = $bookSuggestions->getSuggestions($book);
+        $suggestions = $bookSuggestions->getGoogleSuggestions($book);
 
         $url = $suggestions['image'][$image] ?? null;
 
diff --git a/src/Service/BookSuggestions.php b/src/Service/BookSuggestions.php
index fc5b07d7..274c82c6 100644
--- a/src/Service/BookSuggestions.php
+++ b/src/Service/BookSuggestions.php
@@ -40,22 +40,23 @@ public function getCategorySuggestions(Book $book): array
 
         $mainAuthor = current($book->getAuthors());
 
-        $query = ['q'=>'title:'.$book->getTitle().' author:'.$mainAuthor, 'fields'=>'title,author_name,key,cover_i,subject'];
+        $query = ['q' => 'title:'.$book->getTitle().' author:'.$mainAuthor, 'fields' => 'title,author_name,key,cover_i,subject'];
 
         $client = new \GuzzleHttp\Client();
 
-
-        $results = $client->request('GET','https://openlibrary.org/search.json', ['query'=>$query])->getBody()->getContents();
+        $results = $client->request('GET', 'https://openlibrary.org/search.json', ['query' => $query])->getBody()->getContents();
 
         $results = json_decode($results, true);
 
+        if (!is_array($results) || !array_key_exists('docs', $results)) {
+            return $suggestions;
+        }
         foreach ($results['docs'] as $result) {
-
             foreach ($result['subject'] as $category) {
                 $suggestions['tags'][$category] = $category;
             }
-
         }
+
         return $suggestions;
     }