diff --git a/js/checkbox.js b/js/checkbox.js
index 13bc84530..1497c324b 100644
--- a/js/checkbox.js
+++ b/js/checkbox.js
@@ -109,7 +109,7 @@
 		},
 
 		toggle: function(e) {
-			if (!e || e.currentTarget == e.originalEvent.target) {
+			if (!e || e.currentTarget === e.originalEvent.target) {
 				this.state.checked = !this.state.checked;
 
 				this._toggleCheckedState();