diff --git a/empress/support_files/js/emperor-callbacks.js b/empress/support_files/js/emperor-callbacks.js
index 9c617c2c0..3a92c0c2a 100644
--- a/empress/support_files/js/emperor-callbacks.js
+++ b/empress/support_files/js/emperor-callbacks.js
@@ -57,7 +57,7 @@ plotView.on("click", function (name, object) {
     empress.showNodeMenuForName(name);
 });
 
-plotView.on('select', function(samples, view){
+plotView.on("select", function (samples, view) {
     // cancel any ongoing timers
     clearTimeout(empress.timer);