diff --git a/packages/master/master.js b/packages/master/master.js
index 0ff2f37a..4f69a5dc 100755
--- a/packages/master/master.js
+++ b/packages/master/master.js
@@ -477,11 +477,16 @@ async function saveUsers(databaseDirectory, file) {
 	await fs.outputFile(filePath, JSON.stringify(serialized, null, 4));
 }
 
+let shuttingDown = false;
 /**
  * Innitiate shutdown of master server
  */
 async function shutdown() {
-	logger.info("Shutting down");
+	if (shuttingDown) {
+		return;
+	}
+	shuttingDown = true;
+
 	let exitStartTime = Date.now();
 	try {
 		logger.info("Saving configs");
diff --git a/packages/slave/slave.js b/packages/slave/slave.js
index 5998c29f..3c89dcb7 100755
--- a/packages/slave/slave.js
+++ b/packages/slave/slave.js
@@ -1384,6 +1384,9 @@ class Slave extends libLink.Link {
 	 * Stops all instances and closes the connection
 	 */
 	async shutdown() {
+		if (this._shuttingDown) {
+			return;
+		}
 		this._shuttingDown = true;
 		this.connector.setTimeout(30);