diff --git a/config/config.sample.php b/config/config.sample.php
index 2f437771f2b184566b8b38ef05b04978d4038feb..2812d848133fa286f2f441e34265a0166225500f 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -192,5 +192,5 @@ $CONFIG = array(
 /* the max factor to scale a preview, default is set to 10 */
 'preview_max_scale_factor' => 10,
 /* custom path for libreoffice / openoffice binary */
-'preview_libreoffice_path' => '/usr/bin/libreoffice';
+'preview_libreoffice_path' => '/usr/bin/libreoffice',
 );