diff --git a/src/test/java/com/amazon/dlic/auth/http/jwt/HTTPExtensionJwtAuthenticatorTest.java b/src/test/java/com/amazon/dlic/auth/http/jwt/HTTPExtensionJwtAuthenticatorTest.java
index f06b01615e..321eda70ef 100644
--- a/src/test/java/com/amazon/dlic/auth/http/jwt/HTTPExtensionJwtAuthenticatorTest.java
+++ b/src/test/java/com/amazon/dlic/auth/http/jwt/HTTPExtensionJwtAuthenticatorTest.java
@@ -255,7 +255,7 @@ public void testRolesArray() throws Exception {
                 .setPayload("{"+
                         "\"sub\": \"Cluster_0\","+
                         "\"aud\": \"ext_0\","+
-                        "\"dec_r\": [\"a\",\"b\",\"3rd\"]"+
+                        "\"dec_r\": \"a,b,3rd\""+
                         "}");
 
         final AuthCredentials credentials = extractCredentialsFromJwtHeader(