diff --git a/src/Plugin/ProxifyPlugin.php b/src/Plugin/ProxifyPlugin.php
index dca4328..cf82354 100644
--- a/src/Plugin/ProxifyPlugin.php
+++ b/src/Plugin/ProxifyPlugin.php
@@ -33,7 +33,7 @@ private function html_attr($matches){
 		// could be empty?
 		$url = trim($matches[2]);
 		
-		if(stripos($url, 'data:') === 0 || stripos($url, 'magnet:') === 0 ){
+		if(stripos($url, 'data:') === 0 || stripos($url, 'magnet:') === 0 || stripos($url, 'about:') === 0 || stripos($url, 'javascript:') === 0 || stripos($url, 'mailto:') === 0 || stripos($url, 'tel:') === 0 || stripos($url, 'ios-app:') === 0 || stripos($url, 'android-app:') === 0){
 			return $matches[0];
 		}