diff --git a/src/pages/Worker/Card/WorkerCalendarItem.vue b/src/pages/Worker/Card/WorkerCalendarItem.vue
index 5fb0e9f04..c48c083b9 100644
--- a/src/pages/Worker/Card/WorkerCalendarItem.vue
+++ b/src/pages/Worker/Card/WorkerCalendarItem.vue
@@ -153,7 +153,7 @@ const getEventAttrs = (timestamp) => {
 
     const attrs = {
         title: name,
-        style: color ? `background-color: ${color};` : '',
+        style: color ? `background-color: ${color};` : ``,
         label: timestamp.day,
     };