diff --git a/site/config/config.php b/site/config/config.php
index a2553bc..65aede4 100644
--- a/site/config/config.php
+++ b/site/config/config.php
@@ -1,5 +1,7 @@
 <?php
-header("Content-Security-Policy: default-src 'self'; style-src 'self' 'nonce-nRfqpuKWNuYyUAFPTr6WVNZk9' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; frame-src https://www.youtube-nocookie.com; script-src 'self' 'unsafe-eval' 'nonce-nRfqpuKWNuYyUAFPTr6WVNZk9' https://jannikb.aquila.uberspace.de/piwik/; img-src 'self' https://jannikb.aquila.uberspace.de/piwik/");
+if(!function_exists('panel')) {
+  header("Content-Security-Policy: default-src 'self'; style-src 'self' 'nonce-nRfqpuKWNuYyUAFPTr6WVNZk9' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; frame-src https://www.youtube-nocookie.com; script-src 'self' 'unsafe-eval' 'nonce-nRfqpuKWNuYyUAFPTr6WVNZk9' https://jannikb.aquila.uberspace.de/piwik/; img-src 'self' https://jannikb.aquila.uberspace.de/piwik/");
+}
 //header("X-Content-Type-Options: nosniff");  // enabled at server-side
 //header("X-Frame-Options: deny");            // enabled at server-side
 //header("X-Xss-Protection: 1; mode=block");  // enabled at server-side