diff --git a/static/fluoride.js b/static/fluoride.js
index d77b3ee..755c6e7 100644
--- a/static/fluoride.js
+++ b/static/fluoride.js
@@ -214,6 +214,8 @@ function handleStatusLink(a) {
 }
 
 function setPos(el, cx, cy, mw, mh) {
+	if (!el)
+		return;
 	var h = el.clientHeight;
 	var w = el.clientWidth;
 	var left, top;