diff --git a/src/widget/multiselect/loader.js b/src/widget/multiselect/loader.js
index 0150dd728..47f34a729 100644
--- a/src/widget/multiselect/loader.js
+++ b/src/widget/multiselect/loader.js
@@ -210,7 +210,7 @@ BI.MultiSelectInnerLoader = BI.inherit(BI.Widget, {
     },
 
     setValue: function (value) {
-        var map = BI.makeObject(value);
+        var map = BI.makeObject(BI.isArray(value) ? value : [value]);
         this.cachGroup.setValueMap.call(this.cachGroup, map);
         this.button_group.setValueMap.call(this.button_group, map);
     },