diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 0b548c4a..e9a0208c 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -693,7 +693,7 @@ Chain.prototype.target = function target(last, block) {
 
       while (last.prev
         && last.height % network.powDiffInterval !== 0
-        && last.bits !== powLimit) {
+        && last.bits === powLimit) {
         last = last.prev;
       }