diff --git a/src/widget/intervalslider/intervalslider.js b/src/widget/intervalslider/intervalslider.js
index 0cd8b1a94..b712a3db6 100644
--- a/src/widget/intervalslider/intervalslider.js
+++ b/src/widget/intervalslider/intervalslider.js
@@ -60,7 +60,7 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
             cls: "slider-editor-button",
             text: this.options.unit,
             allowBlank: false,
-            width: BI.toPixDITOR_WIDTH, 2),
+            width: BI.toPix(DITOR_WIDTH, 2),
             height: BI.toPix(c.EDITOR_HEIGHT, 2),
             validationChecker: function (v) {
                 return self._checkValidation(v);