diff --git a/resources/js/helpers.js b/resources/js/helpers.js
index 8f53f5a0..81483db9 100644
--- a/resources/js/helpers.js
+++ b/resources/js/helpers.js
@@ -285,7 +285,7 @@ const Helpers = {
             let mimetypesBlacklist = store.getters.config.mimetypesBlacklist
             
               for (let i = 0 ; i<files.length; i++ ) {
-                  let fileType = files[i].type.split("/") 
+                  let fileType = files[i].type.split('/')
 
                   if(!fileType[0]) {
                       fileType[1] = _.last(files[i].name.split('.'))