diff --git a/closure/goog/tweak/tweakui.js b/closure/goog/tweak/tweakui.js
index <HASH>..<HASH> 100644
--- a/closure/goog/tweak/tweakui.js
+++ b/closure/goog/tweak/tweakui.js
@@ -526,7 +526,7 @@ goog.tweak.EntriesPanel.prototype.createComboBoxDom_ =
   var values = tweak.getValidValues();
   for (var i = 0, il = values.length; i < il; ++i) {
     var optionElem = dh.createElement('option');
-    optionElem.text = values[i];
+    optionElem.text = String(values[i]);
     selectElem.appendChild(optionElem);
   }
   ret.appendChild(selectElem);
Fix a type warning, and make type warnings default to errors
for closureCompiled.

R=agrieve
DELTA=2  (1 added, 0 deleted, 1 changed)


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