diff --git a/libraries/Header.class.php b/libraries/Header.class.php
index 19790a2bc7..78283ab609 100644
--- a/libraries/Header.class.php
+++ b/libraries/Header.class.php
@@ -477,7 +477,7 @@ class PMA_Header
                 . "script-src 'self' 'unsafe-inline' 'unsafe-eval'"
                 . ($use_captcha ? 'https://www.google.com ' : ' ')
                 . ";"
-                . "style-src 'unsafe-inline' ".
+                . "style-src 'unsafe-inline' "
                 . ($use_captcha ? 'https://www.google.com ' : ' ')
                 . $GLOBALS['cfg']['CSPAllow']
                 . ";"