diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/slider/slider.controller.js b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/slider/slider.controller.js
index c5c4c60470..588e2d2b03 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/slider/slider.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/slider/slider.controller.js
@@ -119,7 +119,7 @@
     function getValueForSlider(val) {
         
         if (!angular.isArray(val)) {
-            val = val.split(",");
+            val = val.toString().split(",");
         }
         var val1 = val[0];
         var val2 = val.length > 1 ? val[1] : null;