diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index 1d2b840d..64d49182 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -70,7 +70,7 @@ function Chain(options) {
   this.db = new bcoin.chaindb(this, options);
   this.total = 0;
   this.orphanLimit = options.orphanLimit || (20 << 20);
-  this.pendingLimit = options.pendingLimit || (500 << 20);
+  this.pendingLimit = options.pendingLimit || (1024 << 20);
   this.locker = new bcoin.locker(this, this.add, this.pendingLimit);
   this.invalid = {};
   this.bestHeight = -1;