diff --git a/app/Ninja/Repositories/InvoiceRepository.php b/app/Ninja/Repositories/InvoiceRepository.php
index b9aba3a7f56f..6ddf52667c7b 100644
--- a/app/Ninja/Repositories/InvoiceRepository.php
+++ b/app/Ninja/Repositories/InvoiceRepository.php
@@ -1189,7 +1189,7 @@ class InvoiceRepository extends BaseRepository
         }
 
         if (! count($dates)) {
-            return [];
+            return collect();
         }
 
         $sql = implode(' OR ', $dates);