diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index db60f353..5c25cec0 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -47,8 +47,8 @@ function Chain(options) {
   this.pendingBlocks = {};
   this.pendingSize = 0;
   this.total = 0;
-  this.orphanLimit = options.orphanLimit || 20 * 1024 * 1024;
-  this.pendingLimit = options.pendingLimit || 20 * 1024 * 1024;
+  this.orphanLimit = options.orphanLimit || 10 * 1024 * 1024;
+  this.pendingLimit = options.pendingLimit || 10 * 1024 * 1024;
   this.invalid = {};
   this.bestHeight = -1;