diff --git a/listhead.go b/listhead.go
index b23cc5e..65e6b71 100644
--- a/listhead.go
+++ b/listhead.go
@@ -19,10 +19,12 @@ func (this *ListHead) Del() {
 
 func (this *ListHead) AddTail(pnew *ListHead) {
 	prev := this.prev
-	prev.next = pnew
-	this.prev = pnew
-	pnew.next = this
+	next := this
+
+	next.prev = pnew
+	pnew.next = next
 	pnew.prev = prev
+	prev.next = pnew
 }
 
 func (this *ListHead) FirstEntry() interface{} {