diff --git a/app/src/main/java/fr/gouv/etalab/mastodon/asynctasks/RetrieveMetaDataAsyncTask.java b/app/src/main/java/fr/gouv/etalab/mastodon/asynctasks/RetrieveMetaDataAsyncTask.java
index 07b28e367..c30180682 100644
--- a/app/src/main/java/fr/gouv/etalab/mastodon/asynctasks/RetrieveMetaDataAsyncTask.java
+++ b/app/src/main/java/fr/gouv/etalab/mastodon/asynctasks/RetrieveMetaDataAsyncTask.java
@@ -48,7 +48,7 @@ public class RetrieveMetaDataAsyncTask extends AsyncTask<Void, Void, Void> {
     @Override
     protected Void doInBackground(Void... params) {
         String userAgent = "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1667.0 Safari/537.36";
-        String potentialUrl = new String();
+        String potentialUrl = "";
         try {
             Matcher matcher;
             if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT)