diff --git a/chrome/content/zotero/zoteroPane.xhtml b/chrome/content/zotero/zoteroPane.xhtml
index 433b9cd45e..df3b04608f 100644
--- a/chrome/content/zotero/zoteroPane.xhtml
+++ b/chrome/content/zotero/zoteroPane.xhtml
@@ -865,7 +865,7 @@
 			<toolbarbutton id="zotero-tb-tabs-menu" class="zotero-tb-button" tabindex="-1" data-l10n-id="zotero-toolbar-tabs-menu" type="panel"
 				oncommand="if (this.disabled) { event.preventDefault(); return; } Zotero_Tabs.showTabsMenu(undefined, this)"/>
 			<div xmlns="http://www.w3.org/1999/xhtml" class="zotero-tb-separator"></div>
-			<panel id="zotero-tabs-menu-panel" type="arrow" is="tabs-menu-panel" tabindex="-1"></panel>
+			<panel id="zotero-tabs-menu-panel" type="arrow" animate="false" is="tabs-menu-panel" tabindex="-1"></panel>
 
 			<hbox id="zotero-pq-buttons">
 			</hbox>
@@ -876,7 +876,7 @@
 				We put this here, but it can be used wherever
 				Zotero.Sync.Runner.updateErrorPanel() puts it
 			-->
-			<panel id="zotero-sync-error-panel" type="arrow" onpopupshown="
+			<panel id="zotero-sync-error-panel" type="arrow" animate="false" onpopupshown="
 			const buttons = this.getElementsByTagName('button');
 			if (buttons[0]) {
 				buttons[0].focus();
@@ -1259,7 +1259,7 @@
 													onmousedown="Zotero_Lookup.handleToolbarButtonMouseDown(event)"
 												/>
 												
-												<panel id="zotero-lookup-panel" type="arrow"
+												<panel id="zotero-lookup-panel" type="arrow" animate="false"
 														onpopupshown="Zotero_Lookup.onShown(event)"
 														onpopuphidden="Zotero_Lookup.onHidden(event)"
 														onfocusout="Zotero_Lookup.onFocusOut(event)"