diff --git a/iterableapi/src/main/java/com/iterable/iterableapi/IterableAuthManager.java b/iterableapi/src/main/java/com/iterable/iterableapi/IterableAuthManager.java
index c52e23771..562e86bd7 100644
--- a/iterableapi/src/main/java/com/iterable/iterableapi/IterableAuthManager.java
+++ b/iterableapi/src/main/java/com/iterable/iterableapi/IterableAuthManager.java
@@ -156,6 +156,10 @@ public void run() {
     private static long decodedExpiration(String encodedJWT) throws Exception {
         long exp = 0;
             String[] split = encodedJWT.split("\\.");
+            //Check if jwt is valid
+            if (split.length != 3) {
+                throw new IllegalArgumentException("Invalid JWT");
+            }
             String body = getJson(split[1]);
             JSONObject jObj = new JSONObject(body);
             exp = jObj.getLong(expirationString);