diff --git a/ereuse_devicehub/static/js/main_inventory.js b/ereuse_devicehub/static/js/main_inventory.js
index 55b6900a..f5b2b485 100644
--- a/ereuse_devicehub/static/js/main_inventory.js
+++ b/ereuse_devicehub/static/js/main_inventory.js
@@ -231,7 +231,7 @@ function addTag() {
 }
 
 function select_shift() {
-    const chkboxes = $('.deviceSelect');
+    const chkboxes = $(".deviceSelect");
     lastChecked = null;
     chkboxes.click(function(e) {
         if (!lastChecked) {
@@ -240,10 +240,10 @@ function select_shift() {
         }
 
         if (e.shiftKey) {
-            var start = chkboxes.index(this);
-            var end = chkboxes.index(lastChecked);
+            const start = chkboxes.index(this);
+            const end = chkboxes.index(lastChecked);
 
-            chkboxes.slice(Math.min(start,end), Math.max(start,end)+ 1).prop('checked', lastChecked.checked);
+            chkboxes.slice(Math.min(start,end), Math.max(start,end)+ 1).prop("checked", lastChecked.checked);
         }
 
         lastChecked = this;