diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 95a8e653..1a1b0973 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -29,7 +29,7 @@ Chain.prototype.add = function add(block) {
 
     // Add orphan
     if (this.last && prev !== this.last) {
-      if (!this.orphan.map[prev]) {
+      if (!this.map[hash] && !this.orphan.map[prev]) {
         this.orphan.count++;
         this.orphan.map[prev] = block;
       }