diff --git a/lib/bcoin/chaindb.js b/lib/bcoin/chaindb.js
index 678a52f9..2cfeba79 100644
--- a/lib/bcoin/chaindb.js
+++ b/lib/bcoin/chaindb.js
@@ -783,6 +783,10 @@ ChainDB.prototype.connectBlock = function connectBlock(block, batch, callback) {
     return utils.nextTick(callback);
   }
 
+  // Genesis block's coinbase is unspendable.
+  if (block.hash('hex') === network.genesis.hash)
+    return utils.nextTick(callback);
+
   this._ensureBlock(block, function(err, block) {
     if (err)
       return callback(err);