diff --git a/test/RequireJsStuffPlugin.test.js b/test/RequireJsStuffPlugin.test.js
index 5c3a9d8d3..73728838b 100644
--- a/test/RequireJsStuffPlugin.test.js
+++ b/test/RequireJsStuffPlugin.test.js
@@ -62,7 +62,9 @@ describe("RequireJsStuffPlugin", function() {
 				});
 
 				describe("parser handler", function() {
-					var parser, parserEventBindings;
+					let parser;
+					let parserEventBindings;
+					let compilationEventBinding;
 
 					beforeEach(function() {
 						compilationEventBinding = compilationEventBindings[0];