diff --git a/src/plugins/plot/src/plot/MCTPlotController.js b/src/plugins/plot/src/plot/MCTPlotController.js
index 3ce1b91cca..d050bd2b6b 100644
--- a/src/plugins/plot/src/plot/MCTPlotController.js
+++ b/src/plugins/plot/src/plot/MCTPlotController.js
@@ -70,7 +70,7 @@ define([
         this.listenTo(this.$canvas, 'mousedown', this.onMouseDown, this);
 
         this.watchForMarquee();
-    }
+    };
 
     MCTPlotController.prototype.initialize = function () {
         this.$canvas = this.$element.find('canvas');