diff --git a/system/src/Grav/Common/Markdown/ParsedownGravTrait.php b/system/src/Grav/Common/Markdown/ParsedownGravTrait.php
index 9b99c05878..bf4955c71a 100644
--- a/system/src/Grav/Common/Markdown/ParsedownGravTrait.php
+++ b/system/src/Grav/Common/Markdown/ParsedownGravTrait.php
@@ -3,6 +3,7 @@
 
 use Grav\Common\Grav;
 use Grav\Common\Uri;
+use Grav\Common\Utils;
 use RocketTheme\Toolbox\Event\Event;
 
 /**
@@ -22,7 +23,6 @@ trait ParsedownGravTrait
     protected $pages_dir;
     protected $special_chars;
     protected $twig_link_regex = '/\!*\[(?:.*)\]\((\{([\{%#])\s*(.*?)\s*(?:\2|\})\})\)/';
-    protected $special_protocols = ['xmpp', 'mailto', 'tel', 'sms'];
 
     public $completable_blocks = [];
     public $continuable_blocks = [];
@@ -93,7 +93,7 @@ public function addInlineType($type, $tag, $index = null)
         } else {
             array_splice($this->InlineTypes[$type], $index, 0, $tag);
         }
-        
+
         if (strpos($this->inlineMarkerList, $type) === false) {
             $this->inlineMarkerList .= $type;
         }
@@ -342,7 +342,7 @@ protected function inlineLink($excerpt)
             }
 
             // if special scheme, just return
-            if(isset($url['scheme']) && in_array($url['scheme'], $this->special_protocols)) {
+            if(isset($url['scheme']) && !Utils::startsWith($url['scheme'], 'http')) {
                 return $excerpt;
             }
 
diff --git a/tests/unit/Grav/Common/Markdown/ParsedownTest.php b/tests/unit/Grav/Common/Markdown/ParsedownTest.php
index 2d2b68cdb5..1b22f1c049 100644
--- a/tests/unit/Grav/Common/Markdown/ParsedownTest.php
+++ b/tests/unit/Grav/Common/Markdown/ParsedownTest.php
@@ -586,6 +586,8 @@ public function testSpecialProtocols()
             $this->parsedown->text('[tel](tel:123-555-12345)'));
         $this->assertSame('<p><a href="sms:123-555-12345">sms</a></p>',
             $this->parsedown->text('[sms](sms:123-555-12345)'));
+        $this->assertSame('<p><a href="rdp://ts.example.com">ts.example.com</a></p>',
+            $this->parsedown->text('[ts.example.com](rdp://ts.example.com)'));
     }
 
     public function testSpecialProtocolsSubDir()
@@ -600,6 +602,8 @@ public function testSpecialProtocolsSubDir()
             $this->parsedown->text('[tel](tel:123-555-12345)'));
         $this->assertSame('<p><a href="sms:123-555-12345">sms</a></p>',
             $this->parsedown->text('[sms](sms:123-555-12345)'));
+        $this->assertSame('<p><a href="rdp://ts.example.com">ts.example.com</a></p>',
+            $this->parsedown->text('[ts.example.com](rdp://ts.example.com)'));
     }
 
     public function testSpecialProtocolsSubDirAbsoluteUrl()
@@ -615,6 +619,8 @@ public function testSpecialProtocolsSubDirAbsoluteUrl()
             $this->parsedown->text('[tel](tel:123-555-12345)'));
         $this->assertSame('<p><a href="sms:123-555-12345">sms</a></p>',
             $this->parsedown->text('[sms](sms:123-555-12345)'));
+        $this->assertSame('<p><a href="rdp://ts.example.com">ts.example.com</a></p>',
+            $this->parsedown->text('[ts.example.com](rdp://ts.example.com)'));
     }
 
     public function testReferenceLinks()