diff --git a/src/markup/engine/remarkup/markuprule/PhutilRemarkupHyperlinkRule.php b/src/markup/engine/remarkup/markuprule/PhutilRemarkupHyperlinkRule.php
--- a/src/markup/engine/remarkup/markuprule/PhutilRemarkupHyperlinkRule.php
+++ b/src/markup/engine/remarkup/markuprule/PhutilRemarkupHyperlinkRule.php
@@ -17,7 +17,7 @@
       $text);
 
     // Anything else we match "ungreedily", which means we'll look for
-    // stuff that's probably puncutation or otherwise not part of the URL and
+    // stuff that's probably punctuation or otherwise not part of the URL and
     // not link it. This lets someone write "QuicK! Go to
     // http://www.example.com/!". We also apply some paren balancing rules.
 
@@ -32,17 +32,26 @@
   }
 
   protected function markupHyperlink($matches) {
+    $base_uri = new PhutilURI(PhabricatorEnv::getEnvConfig('phabricator.base-uri'));
     $protocols = $this->getEngine()->getConfig(
       'uri.allowed-protocols',
       array());
 
-    $protocol = id(new PhutilURI($matches[1]))->getProtocol();
-    if (!idx($protocols, $protocol)) {
+    $uri = new PhutilURI($matches[1]);
+
+    if (!idx($protocols, $uri->getProtocol())) {
       // If this URI doesn't use a whitelisted protocol, don't link it. This
       // is primarily intended to prevent javascript:// silliness.
       return $this->getEngine()->storeText($matches[1]);
     }
 
+    if ($uri->getDomain() == $base_uri->getDomain()) {
+      // Don't modify the text. This allows PhabricatorObjectRemarkupRule the
+      // opportunity to process the text.
+      return $matches[1];
+    }
+
+
     return $this->storeRenderedHyperlink($matches[1]);
   }