diff --git a/js/editor.js b/js/editor.js
index 45f0aca..d4d2bce 100644
--- a/js/editor.js
+++ b/js/editor.js
@@ -949,7 +949,7 @@ var imgEditor = new Object({
                 imgEditor.imgThumbElement.append('<li id="sort_' + value + '"><img src="' + imgEditor.imgPath + imgEditor.imgData[value].imgName + imgEditor.thumbSuffix + '.' + imgEditor.imgData[value].imgExtension + '" onclick="imgEditor.fillForm(' + value + ', ' + key + ');"/><span class="del_handle">&nbsp;</span></li>');
             });
 
-            if (imgEditor.imgData[imgEditor.imgIDs[0]].hasSlider === 'Y') {
+            if (imgEditor.imgIDs.length === 0 || imgEditor.imgData[imgEditor.imgIDs[0]].hasSlider === 'Y') {
                 imgEditor.sortBoxElement.append('<img src="' + imgEditor.imgDummy.replace(imgEditor.imgDummyExtension, imgEditor.thumbSuffix + imgEditor.imgDummyExtension) + '" onclick="imgEditor.enableUpload();"/>');
             }
         }