diff --git a/src/addons/dragAndDrop/withDragAndDrop.js b/src/addons/dragAndDrop/withDragAndDrop.js
index 9ffa75b54..84251e724 100644
--- a/src/addons/dragAndDrop/withDragAndDrop.js
+++ b/src/addons/dragAndDrop/withDragAndDrop.js
@@ -101,8 +101,8 @@ export default function withDragAndDrop(Calendar) {
         onStart: PropTypes.func,
         onEnd: PropTypes.func,
         onBeginAction: PropTypes.func,
-        onDropFromOutside: PropTypes.fun,
-        dragFromOutsideItem: PropTypes.fun,
+        onDropFromOutside: PropTypes.func,
+        dragFromOutsideItem: PropTypes.func,
         draggableAccessor: accessor,
         resizableAccessor: accessor,
         dragAndDropAction: PropTypes.object,