diff --git a/src/Wallabag/ImportBundle/Import/BrowserImport.php b/src/Wallabag/ImportBundle/Import/BrowserImport.php
index f11958247..4d3073b72 100644
--- a/src/Wallabag/ImportBundle/Import/BrowserImport.php
+++ b/src/Wallabag/ImportBundle/Import/BrowserImport.php
@@ -232,4 +232,6 @@ abstract class BrowserImport extends AbstractImport
 
         return $importedEntry;
     }
+
+    abstract protected function prepareEntry(array $entry = []);
 }