diff --git a/addons/event/static/src/css/event.css b/addons/event/static/src/css/event.css
index bd73d67f20a..4a54d6cbe9e 100644
--- a/addons/event/static/src/css/event.css
+++ b/addons/event/static/src/css/event.css
@@ -99,7 +99,7 @@ div.oe_fold_column{
 .oe_event_button_subscribe:hover {
   cursor: pointer;
   background-size: 100% 100%;
-  background: #DC5F59 none;
+  /*background: #DC5F59 none;*/
 }
 .oe_event_button_unsubscribe:hover {
    cursor: pointer;