diff --git a/src/Calendar.js b/src/Calendar.js
index 1504038cae..132cb16e1d 100644
--- a/src/Calendar.js
+++ b/src/Calendar.js
@@ -678,6 +678,7 @@ class Calendar extends React.Component {
       dateCellWrapper: elementType,
       timeSlotWrapper: elementType,
       timeGutterHeader: elementType,
+      resourceHeader: elementType,
 
       toolbar: elementType,