diff --git a/program/lib/washtml.php b/program/lib/washtml.php
index e8befe835..a5eeb841b 100644
--- a/program/lib/washtml.php
+++ b/program/lib/washtml.php
@@ -274,7 +274,7 @@ class washtml
 
     // Remove invalid HTML comments (#1487759)
     // Don't remove valid conditional comments
-    $html = preg_replace('/<!--[^->[]*>/', '', $html);
+    $html = preg_replace('/<!--[^->[\n]*>/', '', $html);
 
     @$node->loadHTML($html);
     return $this->dumpHtml($node);