diff --git a/src/widget/multiselect/trigger/button.checkselected.js b/src/widget/multiselect/trigger/button.checkselected.js
index 6f9a6d326..15d302a32 100644
--- a/src/widget/multiselect/trigger/button.checkselected.js
+++ b/src/widget/multiselect/trigger/button.checkselected.js
@@ -79,7 +79,7 @@ BI.MultiSelectCheckSelectedButton = BI.inherit(BI.Single, {
     },
 
     populate: function () {
-        this._populate(this.options.value);
+        this._populate(this._assertValue(this.options.value));
     },
 
     getValue: function () {