diff --git a/test/unit/org/apache/cassandra/auth/GrantAndRevokeTest.java b/test/unit/org/apache/cassandra/auth/GrantAndRevokeTest.java
index 69f988653f..96a1b4b027 100644
--- a/test/unit/org/apache/cassandra/auth/GrantAndRevokeTest.java
+++ b/test/unit/org/apache/cassandra/auth/GrantAndRevokeTest.java
@@ -56,6 +56,7 @@ public class GrantAndRevokeTest extends CQLTester
     {
         ServerTestUtils.daemonInitialization();
         DatabaseDescriptor.setPermissionsValidity(0);
+        DatabaseDescriptor.setRolesValidity(0);
         CQLTester.setUpClass();
         requireAuthentication();
         requireNetwork();