diff --git a/lib/net/peer.js b/lib/net/peer.js
index cc1b7a37..ff668bb2 100644
--- a/lib/net/peer.js
+++ b/lib/net/peer.js
@@ -2181,12 +2181,9 @@ Peer.prototype._handleCmpctBlock = co(function* _handleCmpctBlock(packet) {
     return;
   }
 
-  this.compactBlocks[hash] = block;
-
   result = block.fillMempool(this.options.witness, this.mempool);
 
   if (result) {
-    delete this.compactBlocks[hash];
     this.fire('block', block.toBlock());
     this.logger.debug(
       'Received full compact block %s (%s).',
@@ -2194,6 +2191,8 @@ Peer.prototype._handleCmpctBlock = co(function* _handleCmpctBlock(packet) {
     return;
   }
 
+  this.compactBlocks[hash] = block;
+
   yield this.send(new packets.GetBlockTxnPacket(block.toRequest()));
 
   this.logger.debug(