diff --git a/zk/conn.go b/zk/conn.go
index da9503a2..412e1407 100644
--- a/zk/conn.go
+++ b/zk/conn.go
@@ -884,8 +884,10 @@ func (c *Conn) recvLoop(conn net.Conn) error {
 			switch res.Type {
 			case EventNodeCreated:
 				wTypes = append(wTypes, watchTypeExist)
-			case EventNodeDeleted, EventNodeDataChanged:
+			case EventNodeDeleted:
 				wTypes = append(wTypes, watchTypeExist, watchTypeData, watchTypeChild)
+			case EventNodeDataChanged:
+				wTypes = append(wTypes, watchTypeData)
 			case EventNodeChildrenChanged:
 				wTypes = append(wTypes, watchTypeChild)
 			}