diff --git a/modules/calendar/css/index.css b/modules/calendar/css/index.css
index 531ee5c08..3f5409e06 100644
--- a/modules/calendar/css/index.css
+++ b/modules/calendar/css/index.css
@@ -81,6 +81,10 @@ body {
   color: #000;
 }
 
+.fc-resource-cell {
+  word-break: break-all;
+}
+
 .tooltipevent {
   padding:5px;
   border-radius: 0.25em;