diff --git a/package.json b/package.json
index d5cece5..b6e2fb6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@timcrider/aquasec-client",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "engines": {
     "node": ">=18.0.0"
   },
diff --git a/src/aqua-client.js b/src/aqua-client.js
index f9de198..f2dfcd3 100644
--- a/src/aqua-client.js
+++ b/src/aqua-client.js
@@ -340,6 +340,10 @@ class AquaClient {
     return new Promise (async (resolve, reject) => {
       try {
         let token = await this.fetchToken(credentials);
+        if (token.code !== 200 || !token.token) {
+          throw new Error(`Authentication failed: ${token.message}`);
+        }
+
         this.setToken(token.token);
 
         // @todo check options to reutrn token or true