diff --git a/scripts/upgrade b/scripts/upgrade
index b32f5b7..1a4d3de 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -264,7 +264,7 @@ ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions on app files
 chown -R $app: $final_path
-chmod -R 775 "$final_path/storage"
+chmod 775 "$final_path/storage"
 
 #=================================================
 # INSTALL THE CRON FILE