diff --git a/src/view/phui/PHUIRemarkupPreviewPanel.php b/src/view/phui/PHUIRemarkupPreviewPanel.php
--- a/src/view/phui/PHUIRemarkupPreviewPanel.php
+++ b/src/view/phui/PHUIRemarkupPreviewPanel.php
@@ -116,7 +116,8 @@
     switch ($this->skin) {
       case 'document':
         $content = id(new PHUIDocumentView())
-          ->appendChild($content);
+          ->appendChild($content)
+          ->setFontKit(PHUIDocumentView::FONT_SOURCE_SANS);
         break;
       default:
         $content = id(new PHUIBoxView())