diff --git a/plugins/libkolab/skins/elastic/include/calendar.less b/plugins/libkolab/skins/elastic/include/calendar.less
index 6a6ac679..78b8cc22 100644
--- a/plugins/libkolab/skins/elastic/include/calendar.less
+++ b/plugins/libkolab/skins/elastic/include/calendar.less
@@ -298,7 +298,7 @@ fieldset.categories .input-group {
     }
 
     .fc-event {
-        font-size: .9rem;
+        font-size: 1rem;
 
         .fc-title {
             font-weight: bold;