diff --git a/research/smartphone.mdwn b/research/smartphone.mdwn
index 4b56daed4d72a7fbf785de92ad911998097d0a7b..ca09ca9b2d4156bf495be4f907885b4917b4f62d 100644
--- a/research/smartphone.mdwn
+++ b/research/smartphone.mdwn
@@ -168,7 +168,7 @@ Usaremos o [adb-sync](https://github.com/google/adb-sync) e o [adb-export](https
     done
 
     # Move backup to storage
-    cd .. && mv $date $storage/
+    cd .. && sudo mv $date $storage/
 
 Restauro
 --------