diff --git a/lib/Client.js b/lib/Client.js
index e8d567880..56792db71 100644
--- a/lib/Client.js
+++ b/lib/Client.js
@@ -424,6 +424,9 @@ class Client extends EventEmitter {
     * @returns {Promise} Resolves when all shards are initialized
     */
     async connect() {
+        if(typeof this._token !== "string") {
+            throw new Error(`Invalid token "${this._token}"`);
+        }
         try {
             const data = await (this.options.maxShards === "auto" || (this.options.shardConcurrency === "auto" && this.bot) ? this.getBotGateway() : this.getGateway());
             if(!data.url || (this.options.maxShards === "auto" && !data.shards)) {