diff --git a/test/asset/test-ui.js b/test/asset/test-ui.js
index a05c3a53c..d09f15719 100644
--- a/test/asset/test-ui.js
+++ b/test/asset/test-ui.js
@@ -64,14 +64,15 @@
 
       buildList.selectedIndex = (function() {
         switch (build) {
-          case 'lodash-compat':     return 1;
-          case 'lodash-modern-dev': return 2;
-          case 'lodash-modern':     return 3;
-          case 'lodash-underscore': return 4;
-          case 'lodash-custom-dev': return 5;
-          case 'lodash-custom':     return 6;
+          case 'lodash-compat':         return 1;
+          case 'lodash-modern-dev':     return 2;
+          case 'lodash-modern':         return 3;
+          case 'lodash-underscore-dev': return 4;
+          case 'lodash-underscore':     return 5;
+          case 'lodash-custom-dev':     return 6;
+          case 'lodash-custom':         return 7;
           case 'lodash-compat-dev':
-          case null:                return 0;
+          case null:                    return 0;
         }
         return -1;
       }());
@@ -100,7 +101,8 @@
       '<option value="lodash-compat">Lo-Dash (compat production)</option>' +
       '<option value="lodash-modern-dev">Lo-Dash (modern development)</option>' +
       '<option value="lodash-modern">Lo-Dash (modern production)</option>' +
-      '<option value="lodash-underscore">Lo-Dash (underscore)</option>' +
+      '<option value="lodash-underscore-dev">Lo-Dash (underscore development)</option>' +
+      '<option value="lodash-underscore">Lo-Dash (underscore production)</option>' +
       '<option value="lodash-custom-dev">Lo-Dash (custom development)</option>' +
       '<option value="lodash-custom">Lo-Dash (custom production)</option>' +
       '</select>';
@@ -126,15 +128,16 @@
   ui.buildPath = (function() {
     var result;
     switch (build) {
-      case 'lodash-compat':     result = 'dist/lodash.compat.min.js'; break;
-      case 'lodash-modern-dev': result = 'dist/lodash.js'; break;
-      case 'lodash-modern':     result = 'dist/lodash.min.js'; break;
-      case 'lodash-underscore': result = 'dist/lodash.underscore.min.js'; break;
-      case 'lodash-custom-dev': result = 'lodash.custom.js'; break;
-      case 'lodash-custom':     result = 'lodash.custom.min.js'; break;
-      case null:                build = 'lodash-compat-dev';
-      case 'lodash-compat-dev': result = 'lodash.js'; break;
-      default:                  return build;
+      case 'lodash-compat':         result = 'dist/lodash.compat.min.js'; break;
+      case 'lodash-modern-dev':     result = 'dist/lodash.js'; break;
+      case 'lodash-modern':         result = 'dist/lodash.min.js'; break;
+      case 'lodash-underscore-dev': result = 'dist/lodash.underscore.js'; break;
+      case 'lodash-underscore':     result = 'dist/lodash.underscore.min.js'; break;
+      case 'lodash-custom-dev':     result = 'lodash.custom.js'; break;
+      case 'lodash-custom':         result = 'lodash.custom.min.js'; break;
+      case null:                    build  = 'lodash-compat-dev';
+      case 'lodash-compat-dev':     result = 'lodash.js'; break;
+      default:                      return build;
     }
     return basePath + result;
   }());