diff --git a/src/js/_enqueues/vendor/thickbox/thickbox.js b/src/js/_enqueues/vendor/thickbox/thickbox.js
index fdd3bb991c..55c66caaf3 100644
--- a/src/js/_enqueues/vendor/thickbox/thickbox.js
+++ b/src/js/_enqueues/vendor/thickbox/thickbox.js
@@ -35,7 +35,7 @@ function tb_click(){
 	var a = this.href || this.alt;
 	var g = this.rel || false;
 	tb_show(t,a,g);
-	this.trigger( 'blur' );
+	this.blur();
 	return false;
 }