diff --git a/app/javascript/packs/image-preview.js b/app/javascript/packs/image-preview.js
index 979f77f4860..25b96c64d02 100644
--- a/app/javascript/packs/image-preview.js
+++ b/app/javascript/packs/image-preview.js
@@ -30,7 +30,7 @@ function frontImagePreview() {
   $('#doc_auth_front_image').on('change', function(event) {
     $('.simple_form .alert-error').hide();
     $('.simple_form .alert-notice').hide();
-    const files = event.target.files;
+    const { files } = event.target;
     const image = files[0];
     const reader = new FileReader();
     reader.onload = function(file) {
@@ -53,7 +53,7 @@ function backImagePreview() {
   $('#doc_auth_back_image').on('change', function(event) {
     $('.simple_form .alert-error').hide();
     $('.simple_form .alert-notice').hide();
-    const files = event.target.files;
+    const { files } = event.target;
     const image = files[0];
     const reader = new FileReader();
     reader.onload = function(file) {