diff --git a/src/classes/CalculateBusinessHoursAgesTest.cls b/src/classes/CalculateBusinessHoursAgesTest.cls
index d1ff1ad..f5f8168 100644
--- a/src/classes/CalculateBusinessHoursAgesTest.cls
+++ b/src/classes/CalculateBusinessHoursAgesTest.cls
@@ -1,4 +1,4 @@
-public class CalculateBusinessHoursAgesTest {
+@isTest public class CalculateBusinessHoursAgesTest {
     public static testMethod void testBusinessHoursBucketer() {
         Stop_Status__c ss = new Stop_Status__c(Name = 'On Hold');
         insert ss;