diff --git a/chrome/content/zotfile/options-projects.xul b/chrome/content/zotfile/options-projects.xul
index 8d687d2b..0a4e4cb9 100644
--- a/chrome/content/zotfile/options-projects.xul
+++ b/chrome/content/zotfile/options-projects.xul
@@ -1,5 +1,6 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
+<?xml-stylesheet href="chrome://zotero-platform/content/preferences.css"?>
 
 <!DOCTYPE window SYSTEM "chrome://zotfile/locale/options-projects.dtd">