diff --git a/lib/node/config.js b/lib/node/config.js
index 50acda61..0d1684d7 100644
--- a/lib/node/config.js
+++ b/lib/node/config.js
@@ -74,7 +74,7 @@ Config.prototype.init = function init(options) {
       this.alias[key] = value;
     }
   }
-}
+};
 
 /**
  * Inject options.
diff --git a/lib/wallet/client.js b/lib/wallet/client.js
index 224fc86c..3f5c5a8f 100644
--- a/lib/wallet/client.js
+++ b/lib/wallet/client.js
@@ -26,7 +26,7 @@ class WalletClient extends NodeClient {
     });
 
     this.parse('block disconnect', (entry) => {
-      return parseEntry(entry);
+      return [parseEntry(entry)];
     });
 
     this.parse('block rescan', (entry, txs) => {
@@ -34,11 +34,11 @@ class WalletClient extends NodeClient {
     });
 
     this.parse('chain reset', (tip) => {
-      return parseEntry(tip);
+      return [parseEntry(tip)];
     });
 
     this.parse('tx', (tx) => {
-      return TX.fromRaw(tx);
+      return [TX.fromRaw(tx)];
     });
   }
 
diff --git a/lib/wallet/walletdb.js b/lib/wallet/walletdb.js
index 9975fb07..548a1fcb 100644
--- a/lib/wallet/walletdb.js
+++ b/lib/wallet/walletdb.js
@@ -1789,9 +1789,8 @@ WalletDB.prototype._addBlock = async function _addBlock(entry, txs) {
     // processed (in the case of a crash).
     this.logger.warning('Already saw WalletDB block (%d).', tip.height);
   } else if (tip.height !== this.state.height + 1) {
-    // throw new Error('WDB: Bad connection (height mismatch).');
     await this.scan(this.state.height);
-    return;
+    return 0;
   }
 
   // Sync the state to the new tip.
@@ -1921,7 +1920,6 @@ WalletDB.prototype.rescanBlock = async function rescanBlock(entry, txs) {
 
 WalletDB.prototype.addTX = async function addTX(tx) {
   const unlock = await this.txLock.lock();
-
   try {
     return await this._insert(tx);
   } finally {