diff --git a/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss b/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss
index ffabb88042..0cbd285f43 100644
--- a/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss
+++ b/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss
@@ -386,7 +386,7 @@ input {
     }
 
     &.hasDatepicker {
-        background-image: url("../img/famfamfam/silk/calendar.png");
+        background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAT0lEQVQ4jWNgoAZYd/LVf3IwigGkAuwGLE4hDg9eA4il8RqADVdtLYVjZLVEuwDZAKJcgKxh+zkyXIBuI8lhgG4jOqZdLJACMAygKDNRAgBj9qOB+rWnhAAAAABJRU5ErkJggg==");
         background-position-x: right;
         background-position-y: center;
         background-repeat: no-repeat;