diff --git a/src/widgets/dragAndDrop.js b/src/widgets/dragAndDrop.js
index 47c62eb2d..abc7065da 100644
--- a/src/widgets/dragAndDrop.js
+++ b/src/widgets/dragAndDrop.js
@@ -195,7 +195,7 @@ function uploadFiles (fetcher, files, fileBase, imageBase, successHandler) {
           }
         }
         var folderName = theFile.type.startsWith('image/') ? imageBase || fileBase : fileBase
-        var destURI = folderName + '/' + encodeURIComponent(theFile.name) + suffix
+        var destURI = folderName + (folderName.endsWith('/') ? '' : '/') + encodeURIComponent(theFile.name) + suffix
 
         fetcher.webOperation('PUT', destURI, { data: data, contentType: contentType })
           .then(response => {