diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 97350683..e7dc33d8 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -2104,11 +2104,8 @@ Chain.prototype.retarget = function retarget(prev, first) {
 Chain.prototype.findLocator = function findLocator(locator, callback) {
   var self = this;
 
-  if (!locator)
-    return utils.nextTick(callback);
-
   utils.forEachSerial(locator, function(hash, next) {
-    self.db.has(hash, function(err, result) {
+    self.db.isMainChain(hash, function(err, result) {
       if (err)
         return next(err);
 
@@ -2117,7 +2114,12 @@ Chain.prototype.findLocator = function findLocator(locator, callback) {
 
       next();
     });
-  }, callback);
+  }, function(err) {
+    if (err)
+      return callback(err);
+
+    return callback(null, self.network.genesis.hash);
+  });
 };
 
 /**