diff --git a/view/adminhtml/web/js/image-assignment.js b/view/adminhtml/web/js/image-assignment.js
index adeff88..76c74db 100644
--- a/view/adminhtml/web/js/image-assignment.js
+++ b/view/adminhtml/web/js/image-assignment.js
@@ -1,6 +1,7 @@
 define(['jquery', 'Magento_Ui/js/modal/alert'], function($, alert) {
-    var self,
-        url;
+    'use strict';
+
+    var self, url;
 
     return {
         init: function(ajaxCallUrl, assignBtn) {
@@ -28,10 +29,14 @@ define(['jquery', 'Magento_Ui/js/modal/alert'], function($, alert) {
                     last_processed: last_processed,
                     processed: processed,
                     thumbnail: $('#easycatalogimg_automated_image_assignment_thumbnail').prop('checked') ? 1 : 0,
-                    search_in_child_categories: $('#easycatalogimg_automated_image_assignment_search_in_child_categories').prop('checked') ? 1 : 0
+                    search_in_child_categories: $(
+                        '#easycatalogimg_automated_image_assignment_search_in_child_categories'
+                    ).prop('checked') ? 1 : 0
                 }
             })
             .done(function(data) {
+                var message = $.mage.__("Completed. {count} items were processed.");
+
                 if (data.error) {
                     alert({
                         title: $.mage.__('Error'),
@@ -42,7 +47,6 @@ define(['jquery', 'Magento_Ui/js/modal/alert'], function($, alert) {
                 if (!data.finished) {
                     self.assignImages(data.last_processed, data.processed);
                 } else {
-                    var message = $.mage.__("Completed. {count} items were processed.");
                     alert({
                         title: $.mage.__('Success'),
                         content: message.replace('{count}', data.processed)
@@ -56,5 +60,5 @@ define(['jquery', 'Magento_Ui/js/modal/alert'], function($, alert) {
                 });
             });
         }
-    }
+    };
 });