diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -7,8 +7,8 @@
  */
 return array(
   'names' => array(
-    'core.pkg.css' => '7d05ad2a',
-    'core.pkg.js' => 'a626d14c',
+    'core.pkg.css' => 'bf29d341',
+    'core.pkg.js' => 'dfea788f',
     'darkconsole.pkg.js' => '8ab24e01',
     'differential.pkg.css' => '3500921f',
     'differential.pkg.js' => 'c0506961',
@@ -27,7 +27,7 @@
     'rsrc/css/aphront/panel-view.css' => '8427b78d',
     'rsrc/css/aphront/phabricator-nav-view.css' => '7aeaf435',
     'rsrc/css/aphront/table-view.css' => '59e2c0f8',
-    'rsrc/css/aphront/tokenizer.css' => '86a13f7f',
+    'rsrc/css/aphront/tokenizer.css' => 'c10c061e',
     'rsrc/css/aphront/tooltip.css' => '7672b60f',
     'rsrc/css/aphront/two-column.css' => '16ab3ad2',
     'rsrc/css/aphront/typeahead-browse.css' => 'efe293a0',
@@ -147,7 +147,7 @@
     'rsrc/css/phui/phui-remarkup-preview.css' => '19ad512b',
     'rsrc/css/phui/phui-spacing.css' => '042804d6',
     'rsrc/css/phui/phui-status.css' => '888cedb8',
-    'rsrc/css/phui/phui-tag-view.css' => '402691cc',
+    'rsrc/css/phui/phui-tag-view.css' => 'ea469f3a',
     'rsrc/css/phui/phui-text.css' => 'cf019f54',
     'rsrc/css/phui/phui-timeline-view.css' => 'b0fbc4d7',
     'rsrc/css/phui/phui-workboard-view.css' => '3279cbbf',
@@ -450,7 +450,7 @@
     'rsrc/js/core/KeyboardShortcutManager.js' => 'c1700f6f',
     'rsrc/js/core/MultirowRowManager.js' => 'b5d57730',
     'rsrc/js/core/Notification.js' => '0c6946e7',
-    'rsrc/js/core/Prefab.js' => 'b972bdcd',
+    'rsrc/js/core/Prefab.js' => '6920d200',
     'rsrc/js/core/ShapedRequest.js' => '7cbe244b',
     'rsrc/js/core/TextAreaUtils.js' => '5c93c52c',
     'rsrc/js/core/Title.js' => 'df5e11d2',
@@ -510,7 +510,7 @@
     'aphront-pager-view-css' => '2e3539af',
     'aphront-panel-view-css' => '8427b78d',
     'aphront-table-view-css' => '59e2c0f8',
-    'aphront-tokenizer-control-css' => '86a13f7f',
+    'aphront-tokenizer-control-css' => 'c10c061e',
     'aphront-tooltip-css' => '7672b60f',
     'aphront-two-column-view-css' => '16ab3ad2',
     'aphront-typeahead-control-css' => '0e403212',
@@ -744,7 +744,7 @@
     'phabricator-notification-menu-css' => '3c9d8aa1',
     'phabricator-object-selector-css' => '029a133d',
     'phabricator-phtize' => 'd254d646',
-    'phabricator-prefab' => 'b972bdcd',
+    'phabricator-prefab' => '6920d200',
     'phabricator-profile-css' => '1a20dcbf',
     'phabricator-remarkup-css' => 'e10512ff',
     'phabricator-search-results-css' => '15c71110',
@@ -806,7 +806,7 @@
     'phui-remarkup-preview-css' => '19ad512b',
     'phui-spacing-css' => '042804d6',
     'phui-status-list-view-css' => '888cedb8',
-    'phui-tag-view-css' => '402691cc',
+    'phui-tag-view-css' => 'ea469f3a',
     'phui-text-css' => 'cf019f54',
     'phui-timeline-view-css' => 'b0fbc4d7',
     'phui-workboard-view-css' => '3279cbbf',
@@ -1296,6 +1296,18 @@
     '6882e80a' => array(
       'javelin-dom',
     ),
+    '6920d200' => array(
+      'javelin-install',
+      'javelin-util',
+      'javelin-dom',
+      'javelin-typeahead',
+      'javelin-tokenizer',
+      'javelin-typeahead-preloaded-source',
+      'javelin-typeahead-ondemand-source',
+      'javelin-dom',
+      'javelin-stratcom',
+      'javelin-util',
+    ),
     '69adf288' => array(
       'javelin-install',
     ),
@@ -1469,10 +1481,6 @@
       'phabricator-tooltip',
       'changeset-view-manager',
     ),
-    '86a13f7f' => array(
-      'aphront-typeahead-control-css',
-      'phui-tag-view-css',
-    ),
     '87cb6b51' => array(
       'javelin-behavior',
       'javelin-dom',
@@ -1711,18 +1719,6 @@
       'javelin-dom',
       'javelin-util',
     ),
-    'b972bdcd' => array(
-      'javelin-install',
-      'javelin-util',
-      'javelin-dom',
-      'javelin-typeahead',
-      'javelin-tokenizer',
-      'javelin-typeahead-preloaded-source',
-      'javelin-typeahead-ondemand-source',
-      'javelin-dom',
-      'javelin-stratcom',
-      'javelin-util',
-    ),
     'bba9eedf' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1768,6 +1764,9 @@
       'javelin-util',
       'phabricator-shaped-request',
     ),
+    'c10c061e' => array(
+      'aphront-typeahead-control-css',
+    ),
     'c1700f6f' => array(
       'javelin-install',
       'javelin-util',
diff --git a/webroot/rsrc/js/core/Prefab.js b/webroot/rsrc/js/core/Prefab.js
--- a/webroot/rsrc/js/core/Prefab.js
+++ b/webroot/rsrc/js/core/Prefab.js
@@ -184,9 +184,9 @@
           type = result.tokenType;
           color = result.color;
         } else {
-          icon = config.icons[key];
-          type = config.types[key];
-          color = config.colors[key];
+          icon = (config.icons || {})[key];
+          type = (config.types || {})[key];
+          color = (config.colors || {})[key];
         }
 
         if (icon) {