diff --git a/chrome/content/zotero/zoteroPane.xhtml b/chrome/content/zotero/zoteroPane.xhtml
index ee7deb14d0..13d0403d1a 100644
--- a/chrome/content/zotero/zoteroPane.xhtml
+++ b/chrome/content/zotero/zoteroPane.xhtml
@@ -51,7 +51,8 @@
 		title="&brandShortName;"
 		width="1000" height="600"
 		persist="screenX screenY width height sizemode"
-		xmlns:html="http://www.w3.org/1999/xhtml">
+		xmlns:html="http://www.w3.org/1999/xhtml"
+		style="display: flex;">
 	
 	
 	<html:link rel="localization" href="zotero/menubar.ftl"/>