diff --git a/lib/cfnguardian/resources/dms_task.rb b/lib/cfnguardian/resources/dms_task.rb
index 634e180..d0d43fb 100644
--- a/lib/cfnguardian/resources/dms_task.rb
+++ b/lib/cfnguardian/resources/dms_task.rb
@@ -18,6 +18,7 @@ def default_alarms
       alarm.threshold = 30
       alarm.evaluation_periods = 1
       alarm.enabled = false
+      alarm.alarm_action = 'Warning'
       @alarms.push(alarm)
 
       alarm = CfnGuardian::Models::DMSTaskAlarm.new(@resource)
@@ -36,6 +37,7 @@ def default_alarms
       alarm.threshold = 30
       alarm.evaluation_periods = 1
       alarm.enabled = false
+      alarm.alarm_action = 'Warning'
       @alarms.push(alarm)
     end
   end