diff --git a/src/test/java/com/microsoft/sqlserver/jdbc/KerberosTest.java b/src/test/java/com/microsoft/sqlserver/jdbc/KerberosTest.java
index 3d3d44070..5bbccc097 100644
--- a/src/test/java/com/microsoft/sqlserver/jdbc/KerberosTest.java
+++ b/src/test/java/com/microsoft/sqlserver/jdbc/KerberosTest.java
@@ -98,6 +98,9 @@ private static void createKerberosConnection(String connectionString) throws Exc
     @Test
     public void testKerberosConnectionWithDefaultJaasConfig() {
         try {
+            // Set a mock JAAS configuration using the existing method
+            overwriteJaasConfig();
+
             String connectionString = connectionStringKerberos + ";useDefaultJaasConfig=true;";
             createKerberosConnection(connectionString);