diff --git a/frontend/src/Calendar/Agenda/AgendaEvent.css b/frontend/src/Calendar/Agenda/AgendaEvent.css
index f4efbf43d..7ad9ccf6a 100644
--- a/frontend/src/Calendar/Agenda/AgendaEvent.css
+++ b/frontend/src/Calendar/Agenda/AgendaEvent.css
@@ -108,7 +108,7 @@
 }
 
 @media only screen and (max-width: $breakpointSmall) {
-  .event {
+  .overlay {
     flex-direction: column;
   }