diff --git a/config/config.sample.php b/config/config.sample.php
index 2f394c41a3bdc8a044659817a223c5b647713ab6..ec61ceefd6cd27167c5ba1a472f68caac5c4d1e9 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -136,7 +136,7 @@ $CONFIG = array(
 "remember_login_cookie_lifetime" => 60*60*24*15,
 
 /* Custom CSP policy, changing this will overwrite the standard policy */
-"custom_csp_policy" => "default-src \'self\'; script-src \'self\' \'unsafe-eval\'; style-src \'self\' \'unsafe-inline\'; frame-src *; img-src *; font-src \'self\' data:",
+"custom_csp_policy" => "default-src 'self'; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; frame-src *; img-src *; font-src 'self' data:",
 
 /* The directory where the user data is stored, default to data in the owncloud
  * directory. The sqlite database is also stored here, when sqlite is used.