diff --git a/CHANGES.md b/CHANGES.md
index 1e721bc..12f8d04 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,10 @@
 CHANGELOG
 =========
 
+## 9.1.0 (2022-6-20)
+* @bdeitte Update testing dependencies
+* @bdeitte Check if client is undefined before closing to fix error
+
 ## 9.0.0 (2021-10-31)
 * @cesarfd Add TCP reconnections, similar to how it's done for UDS. Enabled by default and configurable through tcpGracefulErrorHandling/tcpGracefulRestartRateLimit.
 * @sambostock Document explicit prefix/suffix separators
diff --git a/lib/statsd.js b/lib/statsd.js
index 2734057..c392739 100644
--- a/lib/statsd.js
+++ b/lib/statsd.js
@@ -433,6 +433,14 @@ Client.prototype.close = function (callback) {
  * Really close the socket and handle any errors related to it
  */
 Client.prototype._close = function (callback) {
+  // If there was an error creating it, nothing to do here
+  if (! this.socket) {
+    if (callback) {
+      callback();
+    }
+    return;
+  }
+
   // error function to use in callback and catch below
   let handledError = false;
   const handleErr = (err) => {
@@ -534,7 +542,7 @@ exports.StatsD = Client;
  * @param err The error that we will handle if a TCP/UDS connection error is detected.
  */
 function protocolErrorHandler(client, protocol, err) {
-  if (!err || !client.socket.createdAt) {
+  if (!err || !client.socket || !client.socket.createdAt) {
     return;
   }