diff --git a/test/asset/test-ui.js b/test/asset/test-ui.js
index 4097b2ce0..270da2988 100644
--- a/test/asset/test-ui.js
+++ b/test/asset/test-ui.js
@@ -128,13 +128,13 @@
   ui.isForeign = RegExp('^(\\w+:)?//').test(build);
 
   // Used to indicate testing a modularized build.
-  ui.isModularize = /\b(?:amd|commonjs|es6|node|npm|(index|main)\.js)\b/.test([location.pathname, location.search]);
+  ui.isModularize = /\b(?:amd|commonjs|es6?|node|npm|(index|main)\.js)\b/.test([location.pathname, location.search]);
 
   // Used to indicate testing in Sauce Labs' automated test cloud.
   ui.isSauceLabs = location.port == '9001';
 
   // Used to indicate that Lo-Dash is in strict mode.
-  ui.isStrict = /\bes6\b/.test([location.pathname, location.search]);
+  ui.isStrict = /\bes6?\b/.test([location.pathname, location.search]);
 
   // The Lo-Dash build file path.
   ui.buildPath = (function() {
diff --git a/test/test.js b/test/test.js
index 773dce518..929113cdc 100644
--- a/test/test.js
+++ b/test/test.js
@@ -99,8 +99,8 @@
   var ui = root.ui || (root.ui = {
     'buildPath': filePath,
     'loaderPath': '',
-    'isModularize': /\b(?:amd|commonjs|es6|node|npm|(index|main)\.js)\b/.test(filePath),
-    'isStrict': /\bes6\b/.test(filePath),
+    'isModularize': /\b(?:amd|commonjs|es6?|node|npm|(index|main)\.js)\b/.test(filePath),
+    'isStrict': /\bes6?\b/.test(filePath),
     'urlParams': {}
   });