diff --git a/lib/mempool/mempool.js b/lib/mempool/mempool.js
index 5162ec91..221fd82f 100644
--- a/lib/mempool/mempool.js
+++ b/lib/mempool/mempool.js
@@ -214,16 +214,16 @@ Mempool.prototype._addBlock = co(function* addBlock(block, txs) {
     entries.push(entry);
   }
 
+  // We need to reset the rejects filter periodically.
+  // There may be a locktime in a TX that is now valid.
+  this.rejects.reset();
+
   if (this.fees) {
     this.fees.processBlock(block.height, entries, this.chain.synced);
     // Note: disable for now.
     // this.cache.writeFees(this.fees);
   }
 
-  // We need to reset the rejects filter periodically.
-  // There may be a locktime in a TX that is now valid.
-  this.rejects.reset();
-
   this.cache.sync(block.hash);
 
   yield this.cache.flush();