diff --git a/src/App.php b/src/App.php
index 845560a4d6..9af56680e0 100644
--- a/src/App.php
+++ b/src/App.php
@@ -1880,7 +1880,7 @@ class App
 	 */
 	public function internalRedirect($toUrl = '', $ssl = false)
 	{
-		if (filter_var($toUrl, FILTER_VALIDATE_URL)) {
+		if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
 			throw new InternalServerErrorException("'$toUrl is not a relative path, please use System::externalRedirectTo");
 		}
 
@@ -1897,7 +1897,7 @@ class App
 	 */
 	public function redirect($toUrl)
 	{
-		if (filter_var($toUrl, FILTER_VALIDATE_URL)) {
+		if (!empty(parse_url($toUrl, PHP_URL_SCHEME))) {
 			Core\System::externalRedirect($toUrl);
 		} else {
 			$this->internalRedirect($toUrl);
diff --git a/src/Module/Magic.php b/src/Module/Magic.php
index ecfe18e596..694af23208 100644
--- a/src/Module/Magic.php
+++ b/src/Module/Magic.php
@@ -43,7 +43,7 @@ class Magic extends BaseModule
 		}
 
 		if (!$cid) {
-			Logger::log('No contact record found: ' . print_r($_REQUEST, true), Logger::DEBUG);
+			Logger::log('No contact record found: ' . json_encode($_REQUEST), Logger::DEBUG);
 			// @TODO Finding a more elegant possibility to redirect to either internal or external URL
 			$a->redirect($dest);
 		}