diff --git a/koha-tmpl/intranet-tmpl/prog/css/select2.css b/koha-tmpl/intranet-tmpl/prog/css/select2.css
index 82367f6120..c9550fd308 100644
--- a/koha-tmpl/intranet-tmpl/prog/css/select2.css
+++ b/koha-tmpl/intranet-tmpl/prog/css/select2.css
@@ -6,3 +6,7 @@
     background: initial;
     background-color : #FFFF99;
 }
+
+.select2-container.missing .select2-choice {
+    background: #ffc none;
+}
\ No newline at end of file