Fix issue 'You are not authorized to add a link' with thumbnails enabled

[github/shaarli/Shaarli.git] / application / Updater.php

diff --git a/application/Updater.php b/application/Updater.php
index c2aa1568cdc01534a3e1efd885e494536884342e..480bff8267956ad82e12d3a4169e7b09f60ee135 100644 (file)
--- a/application/Updater.php
+++ b/application/Updater.php
@@ -502,7 +502,7 @@ class Updater
             return true;
         }
 
-        $thumbnailsEnabled = $this->conf->get('thumbnail.enable_thumbnails', true);
+        $thumbnailsEnabled = extension_loaded('gd') && $this->conf->get('thumbnail.enable_thumbnails', true);
         $this->conf->set('thumbnails.mode', $thumbnailsEnabled ? Thumbnailer::MODE_ALL : Thumbnailer::MODE_NONE);
         $this->conf->set('thumbnails.width', 125);
         $this->conf->set('thumbnails.height', 90);